diff --git a/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateAction.php b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateAction.php
new file mode 100644
index 0000000..0f0cf21
--- /dev/null
+++ b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateAction.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Domains\Budget\Actions\CreateEstimate;
+
+use App\Models\CostUnitEstimate;
+
+class CreateEstimateAction {
+    private CreateEstimateResponse $response;
+
+   public function __construct(private CreateEstimateRequest $request) {
+    }
+
+    public function execute(): CreateEstimateResponse {
+        $this->response = new CreateEstimateResponse();
+
+        $amount = [];
+        switch ($this->request->amountType) {
+            case 'flat':
+                $amount['flat_amount'] = $this->request->amount;
+                break;
+            case 'per_person':
+                $amount['amount_by_user'] = $this->request->amount;
+                break;
+        }
+
+        if ($this->request->estimateId === 0) {
+            $estimate = CostUnitEstimate::create(array_merge([
+                'tenant' => app('tenant')->slug,
+                'cost_unit_id' => $this->request->costUnit->id,
+                'type' => $this->request->estimateType,
+                'description' => $this->request->description,
+            ], $amount));
+        } else {
+            $estimate = CostUnitEstimate::find($this->request->estimateId);
+            $estimate->update(array_merge([
+                'tenant' => app('tenant')->slug,
+                'cost_unit_id' => $this->request->costUnit->id,
+                'type' => $this->request->estimateType,
+                'description' => $this->request->description,
+            ], $amount));
+        }
+
+        if ($estimate !== null) {
+            $this->response->estimateId = $estimate->id;
+            $this->response->success = true;
+        }
+
+        return $this->response;
+    }
+}
diff --git a/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateRequest.php b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateRequest.php
new file mode 100644
index 0000000..c34d618
--- /dev/null
+++ b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateRequest.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Domains\Budget\Actions\CreateEstimate;
+
+use App\Enumerations\InvoiceType;
+use App\Models\CostUnit;
+use App\ValueObjects\Amount;
+
+class CreateEstimateRequest {
+    function __construct(
+        public string $amountType,
+        public string $description,
+        public Amount $amount,
+        public string $estimateType,
+        public CostUnit $costUnit,
+        public int $estimateId,
+    ) {
+    }
+}
diff --git a/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateResponse.php b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateResponse.php
new file mode 100644
index 0000000..d7451d4
--- /dev/null
+++ b/app/Domains/Budget/Actions/CreateEstimate/CreateEstimateResponse.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Domains\Budget\Actions\CreateEstimate;
+
+class CreateEstimateResponse {
+    public bool $success;
+    public ?int $estimateId;
+
+    public function __construct() {
+        $this->success = false;
+        $this->estimateId = null;
+    }
+}
diff --git a/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateAction.php b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateAction.php
new file mode 100644
index 0000000..0f8e87e
--- /dev/null
+++ b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateAction.php
@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Domains\Budget\Actions\DeleteEstimate;
+
+class DeleteEstimateAction {
+    public function __construct(private DeleteEstimateRequest $request) {
+
+    }
+
+    public function execute() : DeleteEstimateResponse {
+        $response = new DeleteEstimateResponse();
+        $this->request->estimate->delete();
+        $response->success = true;
+        return $response;
+    }
+}
diff --git a/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateRequest.php b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateRequest.php
new file mode 100644
index 0000000..85a6476
--- /dev/null
+++ b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateRequest.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Domains\Budget\Actions\DeleteEstimate;
+
+use App\Models\CostUnitEstimate;
+
+class DeleteEstimateRequest {
+    public function __construct(public CostUnitEstimate $estimate)
+    {
+
+    }
+}
diff --git a/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateResponse.php b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateResponse.php
new file mode 100644
index 0000000..051ae47
--- /dev/null
+++ b/app/Domains/Budget/Actions/DeleteEstimate/DeleteEstimateResponse.php
@@ -0,0 +1,12 @@
+<?php
+
+namespace App\Domains\Budget\Actions\DeleteEstimate;
+
+class DeleteEstimateResponse {
+    public bool $success;
+
+    public function __construct()
+    {
+        $this->success = false;
+    }
+}
diff --git a/app/Domains/Budget/Controllers/DeleteController.php b/app/Domains/Budget/Controllers/DeleteController.php
new file mode 100644
index 0000000..612f7de
--- /dev/null
+++ b/app/Domains/Budget/Controllers/DeleteController.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Domains\Budget\Controllers;
+
+use App\Domains\Budget\Actions\CreateEstimate\CreateEstimateAction;
+use App\Domains\Budget\Actions\CreateEstimate\CreateEstimateRequest;
+use App\Domains\Budget\Actions\DeleteEstimate\DeleteEstimateAction;
+use App\Domains\Budget\Actions\DeleteEstimate\DeleteEstimateRequest;
+use App\Domains\CostUnit\Actions\CreateCostUnit\CreateCostUnitRequest;
+use App\Scopes\CommonController;
+use App\ValueObjects\Amount;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class DeleteController extends CommonController
+{
+    public function __invoke(int $costUnitId, int $estimateId, Request $request) : JsonResponse {
+        $estimate = $this->estimates->getById($estimateId);
+
+        if ($estimate === null) {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Estimate not found'
+            ], 404);
+        }
+
+        $deleteEstimateResponse =
+            new DeleteEstimateAction(request: new DeleteEstimateRequest($estimate)
+        )->execute();
+
+        if ($deleteEstimateResponse->success) {
+            return response()->json([
+                'status' => 'success',
+                'message' => 'Der Eintrag wurde erfolgreich gelöscht.'
+            ]);
+        } else {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Beim Löschen des Eintrags ist ein Fehler aufgetreten.'
+            ]);
+        }
+    }
+}
diff --git a/app/Domains/Budget/Controllers/ListController.php b/app/Domains/Budget/Controllers/ListController.php
new file mode 100644
index 0000000..e93602b
--- /dev/null
+++ b/app/Domains/Budget/Controllers/ListController.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace App\Domains\Budget\Controllers;
+
+use App\Enumerations\InvoiceType;
+use App\Scopes\CommonController;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class ListController extends CommonController
+{
+    public function __invoke(int $costUnitId, string $estimateType, Request $request) : JsonResponse {
+        $costUnit = $this->costUnits->getById($costUnitId);
+        $estimates = $this->estimates->getEstimates($costUnit, $estimateType);
+
+        return response()->json([
+            'status' => 'success',
+            'costUnitId' => $costUnitId,
+            'title' => InvoiceType::where('slug', $estimateType)->first()->name,
+            'estimateType' => $estimateType,
+            'estimates' => $estimates,
+            'totalAmountString' => $this->estimates->getTotalAmount($costUnit, $estimateType)->toString(),
+        ]);
+    }
+
+}
diff --git a/app/Domains/Budget/Controllers/MainController.php b/app/Domains/Budget/Controllers/MainController.php
new file mode 100644
index 0000000..0fb6ff9
--- /dev/null
+++ b/app/Domains/Budget/Controllers/MainController.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Domains\Budget\Controllers;
+
+use App\Providers\InertiaProvider;
+use App\Scopes\CommonController;
+use Illuminate\Http\Request;
+use Inertia\Response;
+
+class MainController extends CommonController
+{
+    public function __invoke(int $costUnitId, Request $request) : Response
+    {
+        $inertiaProvider = new InertiaProvider('Budget/List', [
+            'cost_unit_id' => $costUnitId
+        ]);
+        return $inertiaProvider->render();
+    }
+}
diff --git a/app/Domains/Budget/Controllers/SaveController.php b/app/Domains/Budget/Controllers/SaveController.php
new file mode 100644
index 0000000..72c4e1b
--- /dev/null
+++ b/app/Domains/Budget/Controllers/SaveController.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace App\Domains\Budget\Controllers;
+
+use App\Domains\Budget\Actions\CreateEstimate\CreateEstimateAction;
+use App\Domains\Budget\Actions\CreateEstimate\CreateEstimateRequest;
+use App\Domains\CostUnit\Actions\CreateCostUnit\CreateCostUnitRequest;
+use App\Scopes\CommonController;
+use App\ValueObjects\Amount;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+class SaveController extends CommonController
+{
+    public function __invoke(int $costUnitId, Request $request) : JsonResponse {
+        $costUnit = $this->costUnits->getById($costUnitId);
+
+        if ($costUnit === null) {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Cost unit not found'
+            ], 404);
+        }
+
+        $createCostUniResponse =
+            new CreateEstimateAction(request: new CreateEstimateRequest(
+            description: $request->input('description'),
+            amount: Amount::fromString($request->input('amount')),
+            amountType: $request->input('amount_type'),
+            estimateType: $request->input('estimateType'),
+            costUnit: $costUnit,
+            estimateId: $request->input('estimateId'),
+        ))->execute();
+
+        if ($createCostUniResponse->success) {
+            return response()->json([
+                'status' => 'success',
+                'message' => 'Der Eintrag wurde erfolgreich angelegt.'
+            ]);
+        } else {
+            return response()->json([
+                'status' => 'error',
+                'message' => 'Beim Anlegen des Eintrags ist ein Fehler aufgetreten.'
+            ]);
+        }
+    }
+}
diff --git a/app/Domains/Budget/Routes/api.php b/app/Domains/Budget/Routes/api.php
new file mode 100644
index 0000000..d01a5ee
--- /dev/null
+++ b/app/Domains/Budget/Routes/api.php
@@ -0,0 +1,21 @@
+<?php
+
+use App\Domains\Budget\Controllers\DeleteController;
+use App\Domains\Budget\Controllers\SaveController;
+use App\Domains\Budget\Controllers\ListController;
+use App\Middleware\IdentifyTenant;
+use Illuminate\Support\Facades\Route;
+
+Route::prefix('api/v1')->group(function () {
+    Route::middleware(IdentifyTenant::class)->group(function () {
+        Route::prefix('budget')->group(function () {
+            Route::middleware(['auth'])->group(function () {
+                Route::prefix('/{costUnitId}')->group(function () {
+                    Route::get('/list/{estimateType}', ListController::class);
+                    Route::get('{estimateId}/delete', DeleteController::class);
+                    Route::post('/save-estimate', SaveController::class);
+                });
+            });
+        });
+    });
+});
diff --git a/app/Domains/Budget/Routes/web.php b/app/Domains/Budget/Routes/web.php
new file mode 100644
index 0000000..e96b0ef
--- /dev/null
+++ b/app/Domains/Budget/Routes/web.php
@@ -0,0 +1,20 @@
+<?php
+
+use App\Domains\Budget\Controllers\MainController;
+use App\Middleware\IdentifyTenant;
+use Illuminate\Support\Facades\Route;
+
+Route::middleware(IdentifyTenant::class)->group(function () {
+    Route::prefix('budget')->group(function () {
+        Route::middleware(['auth'])->group(function () {
+            Route::prefix('/{costUnitId}')->group(function() {
+                Route::get('/', MainController::class);
+            });
+        });
+    });
+});
+
+
+
+
+
diff --git a/app/Domains/Budget/Views/AddOrUpdateEstimate.vue b/app/Domains/Budget/Views/AddOrUpdateEstimate.vue
new file mode 100644
index 0000000..16cfc5a
--- /dev/null
+++ b/app/Domains/Budget/Views/AddOrUpdateEstimate.vue
@@ -0,0 +1,100 @@
+<script setup>
+import Modal from "../../../Views/Components/Modal.vue";
+import {reactive, ref} from "vue";
+import AmountInput from "../../../Views/Components/AmountInput.vue";
+import {toast} from "vue3-toastify";
+import {useAjax} from "../../../../resources/js/components/ajaxHandler.js";
+
+const { request } = useAjax()
+
+const props = defineProps({
+    showAddEstimate: Boolean,
+    type: String,
+    title: String,
+    costUnitId: Number,
+    amount: Number,
+    amount_type: String,
+    estimateId: Number,
+    description: String,
+})
+
+console.log(props)
+
+const form = reactive({
+    amount_type: props.amount_type,
+    amount: props.amount,
+    description: props.description,
+
+})
+
+async function save() {
+    const data = await request('/api/v1/budget/' + props.costUnitId + '/save-estimate', {
+        method: "POST",
+        body: {
+            estimateId: props.estimateId,
+            amount_type: form.amount_type,
+            amount: form.amount,
+            description: form.description,
+            estimateType: props.type,
+        }
+    });
+
+    if (data.status === 'success') {
+        toast.success(data.message);
+    } else {
+        toast.error(data.message);
+    }
+
+    emit('closeAddEstimate')
+}
+
+const emit = defineEmits(['closeAddEstimate'])
+
+
+</script>
+
+<template>
+    <Modal
+        :show="showAddEstimate"
+        @close="emit('closeAddEstimate')"
+        title="Ausgabenschätzung hinzufügen"
+        width="600px"
+    >
+    <table>
+        <tr>
+            <th>Kostenstelle</th>
+            <td>{{title}}</td>
+        </tr>
+        <tr>
+            <th>Verwendungszweck</th>
+            <td><input type="text" v-model="form.description" style="width: 250px;" /></td>
+        </tr>
+        <tr>
+            <th>Betrag</th>
+            <td><AmountInput v-model="form.amount" style="width: 100px;" /> Euro</td>
+        </tr>
+
+        <tr>
+            <th>Kostentyp</th>
+            <td style="vertical-align: top;">
+                <input type="radio" v-model="form.amount_type" value="flat"
+                 id="amount_type_flat" />
+                <label for="amount_type_flat">Pauschal</label><br />
+
+                <input type="radio" v-model="form.amount_type" value="per_person" id="amount_type_per_person" />
+                <label for="amount_type_per_person">Pro Person</label><br />
+            </td>
+        </tr>
+        <tr>
+            <td colspan="2">
+                <input type="button" value="Speichern" class="button" @click="save" />
+            </td>
+        </tr>
+
+    </table>
+    </Modal>
+</template>
+
+<style scoped>
+
+</style>
diff --git a/app/Domains/Budget/Views/List.vue b/app/Domains/Budget/Views/List.vue
new file mode 100644
index 0000000..facf885
--- /dev/null
+++ b/app/Domains/Budget/Views/List.vue
@@ -0,0 +1,93 @@
+<script setup>
+import {reactive, inject, onMounted} from 'vue';
+import AppLayout from '../../../../resources/js/layouts/AppLayout.vue';
+import { useAjax } from "../../../../resources/js/components/ajaxHandler.js";
+import ShadowedBox from "../../../Views/Components/ShadowedBox.vue";
+import TabbedPage from "../../../Views/Components/TabbedPage.vue";
+import {toast} from "vue3-toastify";
+
+import ListBudgets from "./ListBudgetTypes.vue";
+
+const props = defineProps({
+    message: String,
+
+    data: {
+        type: [Array, Object],
+        default: () => []
+    },
+    cost_unit_id: {
+        type: Number,
+        default: 0
+    },
+})
+
+// Prüfen, ob ein ?id= Parameter in der URL übergeben wurde
+const urlParams = new URLSearchParams(window.location.search)
+const initialCostUnitId = props.cost_unit_id
+
+const tabs = [
+    {
+        title: 'Verpflegung',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/catering",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Unterkunft',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/accommodation",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Programm',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/program",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Logistik',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/logistic",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Technik',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/technical",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Reisekosten',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/travelling",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Verwaltung',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/management",
+        deep_jump_id: initialCostUnitId,
+    },
+    {
+        title: 'Sonstiges',
+        component: ListBudgets,
+        endpoint: "/api/v1/budget/" + props.cost_unit_id + "/list/other",
+        deep_jump_id: initialCostUnitId,
+    },
+]
+
+onMounted(() => {
+    if (undefined !== props.message) {
+        toast.success(props.message)
+    }
+})
+</script>
+
+<template>
+    <AppLayout title="Veranstaltungsbudget">
+        <shadowed-box style="width: 95%; margin: 20px auto; padding: 20px; overflow-x: hidden;">
+            <tabbed-page :tabs="tabs" :initial-tab-id="initialCostUnitId" />
+
+        </shadowed-box>
+    </AppLayout>
+</template>
diff --git a/app/Domains/Budget/Views/ListBudgetTypes.vue b/app/Domains/Budget/Views/ListBudgetTypes.vue
new file mode 100644
index 0000000..7073d92
--- /dev/null
+++ b/app/Domains/Budget/Views/ListBudgetTypes.vue
@@ -0,0 +1,121 @@
+<script setup>
+import {createApp, ref} from 'vue'
+import LoadingModal from "../../../Views/Components/LoadingModal.vue";
+import { useAjax } from "../../../../resources/js/components/ajaxHandler.js";
+import {toast} from "vue3-toastify";
+import AddOrUpdateEstimate from "./AddOrUpdateEstimate.vue";
+
+const props = defineProps({
+  data: {
+    type: [Array, Object],
+    default: () => []
+  },
+})
+
+const localData = ref(props.data)
+
+const showAddEstimate = ref(false)
+const estimateId = ref(null)
+const description = ref(null)
+const amount = ref(null)
+const amountType = ref(null)
+
+const { data, loading, error, request, download } = useAjax()
+
+async function reload() {
+    const url = "/api/v1/budget/" + props.data.costUnitId + "/list/" + props.data.estimateType
+    try {
+        const response = await fetch(url, { method: 'GET' })
+        if (!response.ok) throw new Error('Fehler beim Laden')
+
+        const result = await response.json()
+        localData.value = result
+    } catch (err) {
+        console.error('Error fetching estimates:', err)
+    }
+}
+
+async function openAddEstimate() {
+    estimateId.value = 0
+    amount.value = 0.00
+    amountType.value = 'flat'
+    description.value = ''
+    showAddEstimate.value = true
+}
+
+async function openEditEstimate(localEstimateId, localDescription, localAmount, localAmountType, localEstimateType) {
+    estimateId.value = localEstimateId
+    description.value = localDescription
+    amount.value = localAmount
+    amountType.value = localAmountType
+    console.log(localEstimateId, localDescription, localAmount, localAmountType, localEstimateType)
+    console.log(estimateId.value, description.value, amount.value, amountType.value, localEstimateType)
+    showAddEstimate.value = true
+}
+
+async function deleteEstimate(currentEstimateId) {
+    const data = await request('/api/v1/budget/' + props.data.costUnitId + '/' + currentEstimateId + '/delete', {
+        method: "GET",
+    });
+
+    if (data.status === 'success') {
+        toast.success(data.message);
+        reload()
+    } else {
+        toast.error(data.message);
+    }
+}
+
+</script>
+
+<template>
+    <div v-if="localData.estimates && localData.estimates.length > 0">
+        <h2>{{ props.data.title }}</h2>
+        <h3>Gesamtkosten: {{ localData.totalAmountString }}</h3>
+        <span v-for="estimate in localData.estimates">
+            <table style="width: 100%;">
+                  <tr><th style="width: 200px;">
+                      {{ estimate.title }}
+                  </th>
+                  <td>{{ estimate.singleAmountString }}</td>
+                </tr>
+                <tr>
+                    <td></td>
+                    <td style="padding-bottom: 30px">
+                        <label class="link" style="font-size: 10pt; margin-right: 20px;" @click="openEditEstimate(estimate.id, estimate.title, estimate.amountValue, estimate.amountType, props.data.estimateType)">Bearbeiten</label>
+                        <label class="link" style="font-size: 10pt; margin-right: 20px; color: #ff0000;" @click="deleteEstimate(estimate.id)">Löschen</label>
+                    </td>
+                </tr>
+            </table>
+        </span>
+    </div>
+
+
+  <div v-else>
+      <strong style="width: 100%; text-align: center; display: block; margin-top: 20px;">
+        Noch keine geschätzten Ausgaben vorhanden
+      </strong>
+  </div>
+    <label class="link" @click="openAddEstimate()">
+        Hinzufügen
+    </label>
+    <LoadingModal :show="showLoading" />
+    <AddOrUpdateEstimate
+        :amount="amount"
+        :amount_type="amountType"
+        :description="description"
+        :estimateId="estimateId"
+        :costUnitId="props.data.costUnitId"
+        :title="props.data.title"
+        :type="props.data.estimateType"
+        :showAddEstimate="showAddEstimate"
+
+        v-if="showAddEstimate"
+        @closeAddEstimate="showAddEstimate = false; reload()" />
+</template>
+
+<style scoped>
+ .costunit-list {
+   width: 96% !important;
+ }
+</style>
diff --git a/app/Domains/CostUnit/Views/Partials/ListInvoices.vue b/app/Domains/CostUnit/Views/Partials/ListInvoices.vue
index efc647e..2673fad 100644
--- a/app/Domains/CostUnit/Views/Partials/ListInvoices.vue
+++ b/app/Domains/CostUnit/Views/Partials/ListInvoices.vue
@@ -13,7 +13,6 @@
     const invoice = ref(null)
     const show_invoice = ref(false)
     const localData = ref(props.data)
-console.log(props.data)
     async function openInvoiceDetails(invoiceId) {
         const url = '/api/v1/invoice/details/' + invoiceId
 
diff --git a/app/Domains/Event/Views/Partials/Overview.vue b/app/Domains/Event/Views/Partials/Overview.vue
index 0e28bda..920e544 100644
--- a/app/Domains/Event/Views/Partials/Overview.vue
+++ b/app/Domains/Event/Views/Partials/Overview.vue
@@ -112,8 +112,8 @@
 
     <div class="event-flexbox" v-else>
         <div class="event-flexbox-row top">
-            <div class="left"><ParticipationSummary v-if="dynamicProps.event" :event="dynamicProps.event" /></div>
-            <div class="right">
+            <div class="actions-left"><ParticipationSummary v-if="dynamicProps.event" :event="dynamicProps.event" /></div>
+            <div class="actions-right">
                 <a :href="'/event/details/' + props.data.event.identifier + '/pdf/first-aid-list'">
                     <input type="button" value="Erste-Hilfe-Liste (PDF)" />
                 </a><br/>
@@ -186,6 +186,7 @@
             <label style="font-size: 9pt;" class="link" @click="showCommonSettings">Allgemeine Einstellungen</label> &nbsp;
             <label style="font-size: 9pt;" class="link" @click="showEventManagement">Veranstaltungsleitung</label> &nbsp;
             <label style="font-size: 9pt;" class="link" @click="showParticipationFees">Teilnahmegebühren</label>
+            <a style="font-size: 9pt;" class="link" :href="'/budget/' + props.data.event.costUnit.id">Budget bearbeiten</a>
             <a style="font-size: 9pt;" class="link" :href="'/cost-unit/' + props.data.event.costUnit.id">Ausgabenübersicht</a>
             <a v-if="!dynamicProps.event.registrationAllowed && !dynamicProps.event.archived" style="color: #ff0000; font-size: 9pt;" class="link" @click="archiveEvent">Archivieren</a>
         </div>
@@ -248,13 +249,13 @@
     gap: 10px; /* Abstand zwischen den Spalten */
 }
 
-.event-flexbox-row.top .left {
+.event-flexbox-row.top .actions-left {
     flex: 0 0 calc(100% - 300px);
     padding: 10px;
 }
 
-.event-flexbox-row.top .right {
-    flex: 0 0 250px;
+.event-flexbox-row.top .actions-right {
+    flex: 0 0 200px;
     padding: 10px;
 }
 
@@ -263,7 +264,7 @@
     padding: 10px;
 }
 
-.event-flexbox-row.top .right input[type="button"] {
+.event-flexbox-row.top .actions-right input[type="button"] {
     width: 100% !important;
     margin-bottom: 10px;
 }
diff --git a/app/Domains/Event/Views/Partials/ParticipationSummary.vue b/app/Domains/Event/Views/Partials/ParticipationSummary.vue
index 3394bd6..3c605bd 100644
--- a/app/Domains/Event/Views/Partials/ParticipationSummary.vue
+++ b/app/Domains/Event/Views/Partials/ParticipationSummary.vue
@@ -96,19 +96,31 @@ const props = defineProps({
                         </td>
                     </tr>
 
+                    <tr>
+                        <th style="padding-top: 20px; font-size: 12pt !important;" colspan="2">Budget</th>
+                        <td v-if="props.event.totalBalance.expected.value >= 0" style="color: #4caf50; font-weight: bold; padding-top: 20px; font-size: 12pt !important;">
+                            {{ props.event.totalBalance.estimated.readable }}
+                        </td>
+                        <td v-else style="color: #f44336; font-weight: bold; padding-top: 20px; font-size: 12pt !important;">
+                            {{props.event.totalBalance.estimated.readable}}
+                        </td>
+                    </tr>
+
                 </table>
             </div>
 
             <div class="right">
                 <h3>Ausgaben</h3>
-                <table class="event-payment-table" style="font-size: 10pt;">
+                <table class="event-payment-table" style="font-size: 10pt; width:100%">
                     <tr v-for="amount in props.event.costUnit.amounts">
                         <th>{{amount.name}}</th>
                         <td>{{amount.string}}</td>
+                        <td>({{ amount.estimatedString }}) </td>
                     </tr>
                     <tr>
                         <th style="color:#f44336; border-width: 1px; border-top-style: solid; ">Gesamt</th>
-                        <td style="color:#f44336; border-width: 1px; border-top-style: solid; font-weight: bold">{{props.event.costUnit.overAllAmount.text}}</td>
+                        <td style="color:#f44336; border-width: 1px; border-top-style: solid; font-weight: bold; padding-right: 20px;">{{props.event.costUnit.overAllAmount.text}}</td>
+                        <td style="color:#f44336; border-width: 1px; border-top-style: solid; font-weight: bold">({{props.event.costUnit.overAllEstimatedAmount.text}}))</td>
                     </tr>
                 </table>
             </div>
@@ -121,7 +133,7 @@ const props = defineProps({
 .participant-flexbox {
     display: flex;
     flex-direction: column;
-    gap: 10px;
+    gap: 20px;
     width: 95%;
     margin: 20px auto 0;
 }
@@ -135,7 +147,7 @@ const props = defineProps({
 .participant-flexbox-row.top .left,
 .participant-flexbox-row.top .right {
 
-    padding: 10px;
+    padding: 20px;
     min-width: 0;
 }
 
diff --git a/app/Models/CostUnit.php b/app/Models/CostUnit.php
index afb66e3..8f82621 100644
--- a/app/Models/CostUnit.php
+++ b/app/Models/CostUnit.php
@@ -6,6 +6,7 @@ use App\Scopes\InstancedModel;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasOne;
 
 /**
  * @property string $name
@@ -44,7 +45,15 @@ class CostUnit extends InstancedModel
         return $this->hasMany(Invoice::class);
     }
 
+    public function estimates() : hasMany {
+        return $this->hasMany(CostUnitEstimate::class);
+    }
+
     public function tenant() : BelongsTo {
         return $this->belongsTo(Tenant::class, 'tenant', 'slug');
     }
+
+    public function event() : HasOne {
+        return $this->hasOne(Event::class);
+    }
 }
diff --git a/app/Models/CostUnitEstimate.php b/app/Models/CostUnitEstimate.php
new file mode 100644
index 0000000..c5fcd46
--- /dev/null
+++ b/app/Models/CostUnitEstimate.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Models;
+
+use App\Casts\AmountCast;
+use App\Enumerations\InvoiceStatus;
+use App\Enumerations\InvoiceType;
+use App\Resources\EventResource;
+use App\Scopes\InstancedModel;
+use App\ValueObjects\Amount;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+
+class CostUnitEstimate extends InstancedModel
+{
+    protected $fillable = [
+        'tenant',
+        'cost_unit_id',
+        'type',
+        'description',
+        'flat_amount',
+        'amount_by_user',
+    ];
+
+    protected $casts = [
+        'flat_amount' =>  AmountCast::class,
+        'amount_by_user' => AmountCast::class,
+    ];
+
+    public function costUnit() : BelongsTo{
+        return $this->belongsTo(CostUnit::class);
+    }
+
+    public function invoiceType() : InvoiceType {
+        return $this->belongsTo(InvoiceType::class, 'type', 'slug')->first();
+    }
+
+    public function calculateAmount() : ?Amount {
+        switch (true) {
+            case $this->flat_amount !== null:
+                return $this->flat_amount;
+            default:
+                $event = $this->costUnit()->first()->event()?->first();
+                if (null !== $event) {
+                    $participants = $event->participants()->count();
+                    $amount = clone($this->amount_by_user);
+                    return $amount->multiply($participants);
+                } else {
+                    return $this->amount_by_user;
+                }
+        }
+    }
+}
diff --git a/app/Repositories/CostUnitRepository.php b/app/Repositories/CostUnitRepository.php
index 75df613..a976501 100644
--- a/app/Repositories/CostUnitRepository.php
+++ b/app/Repositories/CostUnitRepository.php
@@ -178,6 +178,18 @@ class CostUnitRepository {
         return $amount;
     }
 
+    public function sumupEstimatedByInvoiceType(CostUnit $costUnit, InvoiceType $invoiceType) : Amount {
+        $amount = new Amount(0, 'Euro');
+        foreach ($costUnit->estimates()->get() as $estimate) {
+            if ($estimate->type !== $invoiceType->slug) {
+                continue;
+            }
+
+            $amount->addAmount($estimate->calculateAmount());
+        }
+        return $amount;
+    }
+
     public function sumupUnhandledAmounts(CostUnit $costUnit, bool $donatedAmount = false) : Amount {
         $amount = new Amount(0, '');
 
diff --git a/app/Repositories/EstimatesRepository.php b/app/Repositories/EstimatesRepository.php
new file mode 100644
index 0000000..3b6dc80
--- /dev/null
+++ b/app/Repositories/EstimatesRepository.php
@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Repositories;
+
+use App\Models\CostUnit;
+use App\Models\CostUnitEstimate;
+use App\ValueObjects\Amount;
+
+class EstimatesRepository {
+    public function getEstimates(CostUnit $costUnit, string $estimateType) : array {
+        $return = [];
+        foreach ($costUnit->estimates()->where('type', $estimateType)->get() as $estimate) {
+            $return[] = $estimate->toResource()->toArray(request());
+        }
+
+        return $return;
+    }
+
+    public function getById(int $estimateId, bool $accessCheck = true) : ?CostUnitEstimate {
+        $estimate = CostUnitEstimate::find($estimateId);
+        if ($estimate === null) {
+            return null;
+        }
+
+        if ($accessCheck) {
+            $costUnitRepository = new CostUnitRepository();
+            if (null ===  $costUnitRepository->getById($estimate->cost_unit_id)) {
+                return null;
+            }
+        }
+
+        return $estimate;
+    }
+
+    public function getTotalAmount(CostUnit $costUnit, string $estimateType) : Amount {
+        $total = new Amount(0, 'Euro');
+        foreach ($costUnit->estimates()->where('type', $estimateType)->get() as $estimate) {
+            $total->addAmount($estimate->calculateAmount());
+        }
+
+        return $total;
+    }
+
+}
diff --git a/app/Resources/CostUnitEstimateResource.php b/app/Resources/CostUnitEstimateResource.php
new file mode 100644
index 0000000..eaa2a15
--- /dev/null
+++ b/app/Resources/CostUnitEstimateResource.php
@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Resources;
+
+use App\Enumerations\EatingHabit;
+use App\Enumerations\EfzStatus;
+use App\Enumerations\ParticipationType;
+use App\Models\CostUnitEstimate;
+use App\Models\EventParticipant;
+use App\ValueObjects\Age;
+use App\ValueObjects\Amount;
+use Illuminate\Http\Resources\Json\JsonResource;
+
+class CostUnitEstimateResource extends JsonResource
+{
+    function __construct(CostUnitEstimate $estimate)
+    {
+        parent::__construct($estimate);
+    }
+
+    public function toArray($request) : array
+    {
+        $amount = $this->resource->calculateAmount();
+        $singleAmountString = $this->resource->flat_amount?->toString();
+        $amountType = 'flat';
+        if ($singleAmountString === null) {
+            $amountType = 'per_person';
+            $singleAmountString = $this->resource->amount_by_user->toString() . ' / Person (' . $amount->toString() . ' Gesamt)';
+        } else {
+            $singleAmountString .= ' Gesamt';
+        }
+
+        return [
+            'id' => $this->resource->id,
+            'title' => $this->resource->description,
+            'singleAmountString' => $singleAmountString,
+            'calculatedAmount' => $amount,
+            'calculatedAmountString' => $amount->toString(),
+            'amountValue' => $amount->getAmount(),
+            'amountType' => $amountType,
+
+
+        ];
+    }
+}
diff --git a/app/Resources/CostUnitResource.php b/app/Resources/CostUnitResource.php
index 1799798..15d156c 100644
--- a/app/Resources/CostUnitResource.php
+++ b/app/Resources/CostUnitResource.php
@@ -31,10 +31,15 @@ class CostUnitResource {
 
         $amounts = [];
         $overAllAmount = new Amount(0, 'Euro');
+        $overAllEstimatedAmount = new Amount(0, 'Euro');
         foreach (InvoiceType::orderBy('sort_order')->get() as $invoiceType) {
             $overAllAmount->addAmount($costUnitRepository->sumupByInvoiceType($this->costUnit, $invoiceType));
+            $overAllEstimatedAmount->addAmount($costUnitRepository->sumupEstimatedByInvoiceType($this->costUnit, $invoiceType));
             $amounts[$invoiceType->slug]['string'] = $costUnitRepository->sumupByInvoiceType($this->costUnit, $invoiceType)->toString();
             $amounts[$invoiceType->slug]['name'] = $invoiceType->name;
+            $amounts[$invoiceType->slug]['estimated'] = $costUnitRepository->sumupEstimatedByInvoiceType($this->costUnit, $invoiceType);
+            $amounts[$invoiceType->slug]['estimatedString'] = $costUnitRepository->sumupEstimatedByInvoiceType($this->costUnit, $invoiceType)->toString();
+
         }
 
 
@@ -52,6 +57,7 @@ class CostUnitResource {
                 'treasurers' => $this->costUnit->treasurers()->get()->map(fn($user) => new UserResource($user))->toArray(),
                 'amounts' => $amounts,
                 'overAllAmount' => ['text' => $overAllAmount->toString(), 'value' => $overAllAmount],
+                'overAllEstimatedAmount' => ['text' => $overAllEstimatedAmount->toString(), 'value' => $overAllEstimatedAmount],
             ]);
 
 
diff --git a/app/Resources/EventResource.php b/app/Resources/EventResource.php
index 14bb4cf..ca7428a 100644
--- a/app/Resources/EventResource.php
+++ b/app/Resources/EventResource.php
@@ -86,6 +86,7 @@ class EventResource extends JsonResource{
         $returnArray['eventEnd'] = $this->event->end_date->format('d.m.Y');
         $returnArray['eventEndInternal'] = $this->event->end_date;
         $returnArray['duration'] = $duration;
+        $returnArray['totalParticipantCount'] = $this->event->participants()->count();
 
         $returnArray['supportPersonIndex'] = $this->event->support_per_person->toString();
         $returnArray['supportPerson'] = $this->calculateSupportPerPerson($returnArray['participants']);
@@ -95,12 +96,15 @@ class EventResource extends JsonResource{
 
         $totalBalanceReal = new Amount(0, 'Euro');
         $totalBalanceExpected = new Amount(0, 'Euro');
+        $totalBalanceEstimated = new Amount(0, 'Euro');
 
         $totalBalanceReal->addAmount($returnArray['income']['real']['amount']);
         $totalBalanceExpected->addAmount($returnArray['income']['expected']['amount']);
+        $totalBalanceEstimated->addAmount($returnArray['income']['expected']['amount']);
 
         $totalBalanceReal->subtractAmount($returnArray['costUnit']['overAllAmount']['value']);
         $totalBalanceExpected->subtractAmount($returnArray['costUnit']['overAllAmount']['value']);
+        $totalBalanceEstimated->subtractAmount($returnArray['costUnit']['overAllEstimatedAmount']['value']);
         $returnArray['totalBalance'] = [
                 'real' => [
                     'value' => $totalBalanceReal->getAmount(),
@@ -108,7 +112,11 @@ class EventResource extends JsonResource{
                 ], 'expected' => [
                     'value' => $totalBalanceExpected->getAmount(),
                     'readable' => $totalBalanceExpected->toString(),
-                ]
+                ],
+            'estimated' => [
+                'value' => $totalBalanceEstimated->getAmount(),
+                'readable' => $totalBalanceEstimated->toString(),
+            ]
         ];
 
         $returnArray['flatSupport'] = $this->event->support_flat->toString();
diff --git a/app/Scopes/CommonController.php b/app/Scopes/CommonController.php
index a1bb05d..dd0efae 100644
--- a/app/Scopes/CommonController.php
+++ b/app/Scopes/CommonController.php
@@ -5,6 +5,7 @@ namespace App\Scopes;
 use App\Models\Tenant;
 use App\Providers\AuthCheckProvider;
 use App\Repositories\CostUnitRepository;
+use App\Repositories\EstimatesRepository;
 use App\Repositories\EventParticipantRepository;
 use App\Repositories\EventRepository;
 use App\Repositories\InvoiceRepository;
@@ -21,6 +22,7 @@ abstract class CommonController {
     protected InvoiceRepository $invoices;
     protected EventRepository $events;
     protected EventParticipantRepository $eventParticipants;
+    protected EstimatesRepository $estimates;
 
     public function __construct() {
         $this->tenant = app('tenant');
@@ -30,6 +32,7 @@ abstract class CommonController {
         $this->invoices = new InvoiceRepository();
         $this->events = new EventRepository();
         $this->eventParticipants = new EventParticipantRepository();
+        $this->estimates = new EstimatesRepository();
     }
 
     protected function checkAuth() {
diff --git a/database/migrations/2026_05_25_140010_create_cost_unit_estimates.php b/database/migrations/2026_05_25_140010_create_cost_unit_estimates.php
new file mode 100644
index 0000000..3c0aee3
--- /dev/null
+++ b/database/migrations/2026_05_25_140010_create_cost_unit_estimates.php
@@ -0,0 +1,32 @@
+<?php
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('cost_unit_estimates', function (Blueprint $table) {
+            $table->id();
+            $table->string('tenant');
+            $table->foreignId('cost_unit_id')->constrained('cost_units', 'id')->restrictOnDelete()->cascadeOnUpdate();
+            $table->string('type');
+            $table->string('description');
+            $table->float('flat_amount', 2)->nullable();
+            $table->float('amount_by_user', 2)->nullable();
+
+            $table->foreign('tenant')->references('slug')->on('tenants')->restrictOnDelete()->cascadeOnUpdate();
+            $table->foreign('type')->references('slug')->on('invoice_types')->restrictOnDelete()->cascadeOnUpdate();
+
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('cost_unit_estimates');
+    }
+};
diff --git a/routes/web.php b/routes/web.php
index bbbd546..e521279 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -21,6 +21,8 @@ require_once __DIR__ . '/../app/Domains/Invoice/Routes/web.php';
 require_once __DIR__ . '/../app/Domains/Invoice/Routes/api.php';
 require_once __DIR__ . '/../app/Domains/Event/Routes/web.php';
 require_once __DIR__ . '/../app/Domains/Event/Routes/api.php';
+require_once __DIR__ . '/../app/Domains/Budget/Routes/web.php';
+require_once __DIR__ . '/../app/Domains/Budget/Routes/api.php';
 
 
 Route::get('/LKvDUqWl', function () {
diff --git a/version b/version
index f77856a..fdc6698 100644
--- a/version
+++ b/version
@@ -1 +1 @@
-4.3.1
+4.4.0