diff --git a/tests/Feature/Studio/Finance/ExpenseTest.php b/tests/Feature/Studio/Finance/ExpenseTest.php
new file mode 100644
index 0000000..42a5ca0
--- /dev/null
+++ b/tests/Feature/Studio/Finance/ExpenseTest.php
@@ -0,0 +1,166 @@
+<?php
+
+use App\Enums\ExpenseType;
+use App\Livewire\Studio\Finance\Expense;
+use App\Models\Expense as ExpenseModel;
+use App\Models\Outlet;
+use Livewire\Livewire;
+use Spatie\Permission\Models\Permission;
+use Spatie\Permission\Models\Role;
+
+beforeEach(function () {
+    $this->setupUser();
+
+    $role = Role::firstOrCreate(['name' => 'Owner']);
+    Permission::firstOrCreate(['name' => 'view expense']);
+    Permission::firstOrCreate(['name' => 'create expense']);
+    Permission::firstOrCreate(['name' => 'update expense']);
+    Permission::firstOrCreate(['name' => 'delete expense']);
+    $role->givePermissionTo(['view expense', 'create expense', 'update expense', 'delete expense']);
+    $this->user->assignRole($role);
+});
+
+it('renders the expense page correctly', function () {
+    $this->actingAs($this->user)
+        ->get(route('studio.finance.expense.index'))
+        ->assertOk()
+        ->assertSeeLivewire(Expense::class);
+});
+
+it('can open create modal', function () {
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->call('openModal', 'create', 'Tambah Pengeluaran')
+        ->assertSet('method', 'create')
+        ->assertSet('modalTitle', 'Tambah Pengeluaran');
+});
+
+it('shows validation errors on create', function () {
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->call('create')
+        ->assertHasErrors([
+            'form.description' => 'required',
+            'form.amount' => 'required',
+        ]);
+});
+
+it('can store a new expense with single outlet', function () {
+    // User has 1 outlet from setupUser()
+    expect($this->user->outlets()->count())->toBe(1);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->set('form.description', 'Beli Sabun')
+        ->set('form.amount', '15000')
+        ->call('create')
+        ->assertHasNoErrors()
+        ->assertDispatched('refreshDatatable');
+
+    $this->assertDatabaseHas('expenses', [
+        'description' => 'Beli Sabun',
+        'amount' => 15000,
+        'outlet_id' => $this->outlet->id,
+        'user_id' => $this->user->id,
+        'type' => ExpenseType::OPERATIONAL->value,
+    ]);
+});
+
+it('requires outlet_id if user has multiple outlets', function () {
+    $anotherOutlet = Outlet::factory()->create();
+    $this->user->outlets()->attach($anotherOutlet);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->set('form.description', 'Beli Tissue')
+        ->set('form.amount', '10000')
+        // form.outlet_id is empty
+        ->call('create')
+        ->assertHasErrors(['form.outlet_id' => 'required']);
+});
+
+it('can store a new expense with multiple outlets', function () {
+    $anotherOutlet = Outlet::factory()->create();
+    $this->user->outlets()->attach($anotherOutlet);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->set('form.description', 'Beli Tissue')
+        ->set('form.amount', '10000')
+        ->set('form.outlet_id', $anotherOutlet->id)
+        ->call('create')
+        ->assertHasNoErrors()
+        ->assertDispatched('refreshDatatable');
+
+    $this->assertDatabaseHas('expenses', [
+        'description' => 'Beli Tissue',
+        'amount' => 10000,
+        'outlet_id' => $anotherOutlet->id,
+    ]);
+});
+
+it('can open edit modal and load data', function () {
+    $expense = ExpenseModel::factory()->operational()->create([
+        'description' => 'Old Description',
+        'amount' => 50000,
+        'outlet_id' => $this->outlet->id,
+        'user_id' => $this->user->id,
+    ]);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->call('openModal', 'update', 'Ubah Pengeluaran', $expense->hash_id)
+        ->set('form.expense', $expense)
+        ->set('form.description', 'Old Description')
+        ->set('form.amount', '50.000')
+        ->assertSet('method', 'update')
+        ->assertSet('form.description', 'Old Description')
+        ->assertSet('form.amount', '50.000');
+});
+
+it('can update an expense', function () {
+    $expense = ExpenseModel::factory()->operational()->create([
+        'outlet_id' => $this->outlet->id,
+        'user_id' => $this->user->id,
+    ]);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->call('openModal', 'update', 'Ubah Pengeluaran', $expense->hash_id)
+        ->set('form.expense', $expense)
+        ->set('form.description', 'Updated Description')
+        ->set('form.amount', '75000')
+        ->call('update')
+        ->assertHasNoErrors()
+        ->assertDispatched('refreshDatatable');
+
+    $this->assertDatabaseHas('expenses', [
+        'id' => $expense->id,
+        'description' => 'Updated Description',
+        'amount' => 75000,
+    ]);
+});
+
+it('can delete an expense', function () {
+    $expense = ExpenseModel::factory()->operational()->create([
+        'outlet_id' => $this->outlet->id,
+        'user_id' => $this->user->id,
+    ]);
+
+    Livewire::actingAs($this->user)
+        ->test(Expense::class)
+        ->call('delete', $expense->id)
+        ->assertHasNoErrors()
+        ->assertDispatched('refreshDatatable');
+
+    $this->assertSoftDeleted('expenses', ['id' => $expense->id]);
+});
+
+it('cannot access expense page without permission', function () {
+    $this->user->roles()->detach();
+    $this->user->permissions()->detach();
+
+    $this->actingAs($this->user)
+        ->get(route('studio.finance.expense.index'))
+        ->assertForbidden();
+});