diff --git a/app/Console/Commands/SendPaymentReminders.php b/app/Console/Commands/SendPaymentReminders.php
new file mode 100644
index 00000000..1306e18b
--- /dev/null
+++ b/app/Console/Commands/SendPaymentReminders.php
@@ -0,0 +1,51 @@
+
+
+<?php
+
+namespace App\Console\Commands;
+
+use App\Models\Invoice;
+use App\Models\ReminderSetting;
+use App\Notifications\PaymentReminderNotification;
+use Carbon\Carbon;
+use Illuminate\Console\Command;
+
+class SendPaymentReminders extends Command
+{
+    protected $signature = 'invoices:send-reminders';
+    protected $description = 'Send payment reminders for overdue invoices';
+
+    public function handle()
+    {
+        $settings = ReminderSetting::first();
+        
+        if (!$settings || !$settings->is_active) {
+            $this->info('Reminder system is not active');
+            return;
+        }
+
+        $overdueInvoices = Invoice::where('payment_status', 'pending')
+            ->where('invoice_date', '<=', Carbon::now()->subDays($settings->days_before_reminder))
+            ->where(function ($query) use ($settings) {
+                $query->where('reminders_sent', '<', $settings->max_reminders)
+                    ->orWhereNull('last_reminder_sent_at');
+            })
+            ->get();
+
+        foreach ($overdueInvoices as $invoice) {
+            if ($invoice->customer && $invoice->customer->email) {
+                if (!$invoice->last_reminder_sent_at || 
+                    Carbon::parse($invoice->last_reminder_sent_at)->addDays($settings->reminder_frequency_days)->isPast()) {
+                    
+                    $invoice->customer->notify(new PaymentReminderNotification($invoice));
+                    
+                    $invoice->reminders_sent++;
+                    $invoice->last_reminder_sent_at = now();
+                    $invoice->save();
+                    
+                    $this->info("Reminder sent for Invoice #{$invoice->invoice_id}");
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index dcdc363b..5f869a76 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -36,9 +36,13 @@ protected function commands(): void
 
 class Kernel extends ConsoleKernel
 {
+    protected $commands = [
+        Commands\SendPaymentReminders::class,
+    ];
+
     protected function schedule(Schedule $schedule)
     {
-        $schedule->command('invoices:calculate-late-fees')->daily();
+        $schedule->command('invoices:send-reminders')->daily();
     }
 
     protected function commands()
diff --git a/app/Filament/App/Resources/ReminderSettingResource.php b/app/Filament/App/Resources/ReminderSettingResource.php
new file mode 100644
index 00000000..d10ef2e1
--- /dev/null
+++ b/app/Filament/App/Resources/ReminderSettingResource.php
@@ -0,0 +1,84 @@
+
+
+<?php
+
+namespace App\Filament\App\Resources;
+
+use App\Models\ReminderSetting;
+use Filament\Forms;
+use Filament\Resources\Resource;
+use Filament\Forms\Form;
+use Filament\Resources\Pages\EditRecord;
+use Filament\Resources\Pages\ListRecords;
+use Filament\Tables;
+use Filament\Tables\Table;
+use Filament\Tables\Columns\TextColumn;
+use Filament\Tables\Columns\ToggleColumn;
+use Filament\Forms\Components\TextInput;
+use Filament\Forms\Components\Toggle;
+
+class ReminderSettingResource extends Resource
+{
+    protected static ?string $model = ReminderSetting::class;
+    protected static ?string $navigationIcon = 'heroicon-o-bell';
+    protected static ?string $navigationLabel = 'Reminder Settings';
+    protected static ?string $navigationGroup = 'Settings';
+
+    public static function form(Form $form): Form
+    {
+        return $form
+            ->schema([
+                TextInput::make('days_before_reminder')
+                    ->label('Days Before First Reminder')
+                    ->numeric()
+                    ->required()
+                    ->min(1)
+                    ->helperText('Number of days after invoice date before sending first reminder'),
+                
+                TextInput::make('reminder_frequency_days')
+                    ->label('Days Between Reminders')
+                    ->numeric()
+                    ->required()
+                    ->min(1)
+                    ->helperText('Number of days to wait between reminders'),
+                
+                TextInput::make('max_reminders')
+                    ->label('Maximum Number of Reminders')
+                    ->numeric()
+                    ->required()
+                    ->min(1)
+                    ->helperText('Maximum number of reminders to send per invoice'),
+                
+                Toggle::make('is_active')
+                    ->label('Enable Reminders')
+                    ->required()
+                    ->helperText('Toggle the reminder system on/off'),
+            ]);
+    }
+
+    public static function table(Table $table): Table
+    {
+        return $table
+            ->columns([
+                TextColumn::make('days_before_reminder')
+                    ->label('Days Before First Reminder')
+                    ->sortable(),
+                TextColumn::make('reminder_frequency_days')
+                    ->label('Reminder Frequency (Days)')
+                    ->sortable(),
+                TextColumn::make('max_reminders')
+                    ->label('Max Reminders')
+                    ->sortable(),
+                ToggleColumn::make('is_active')
+                    ->label('Active'),
+            ]);
+    }
+
+    public static function getPages(): array
+    {
+        return [
+            'index' => ListRecords::route('/'),
+            'edit' => EditRecord::route('/{record}/edit'),
+        ];
+    }
+}
\ No newline at end of file
diff --git a/app/Models/ReminderSetting.php b/app/Models/ReminderSetting.php
new file mode 100644
index 00000000..b7ae7ab6
--- /dev/null
+++ b/app/Models/ReminderSetting.php
@@ -0,0 +1,24 @@
+
+
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class ReminderSetting extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'days_before_reminder',
+        'reminder_frequency_days',
+        'max_reminders',
+        'is_active'
+    ];
+
+    protected $casts = [
+        'is_active' => 'boolean',
+    ];
+}
\ No newline at end of file
diff --git a/app/Notifications/PaymentReminderNotification.php b/app/Notifications/PaymentReminderNotification.php
new file mode 100644
index 00000000..815a4079
--- /dev/null
+++ b/app/Notifications/PaymentReminderNotification.php
@@ -0,0 +1,40 @@
+
+
+<?php
+
+namespace App\Notifications;
+
+use App\Models\Invoice;
+use Illuminate\Bus\Queueable;
+use Illuminate\Contracts\Queue\ShouldQueue;
+use Illuminate\Notifications\Messages\MailMessage;
+use Illuminate\Notifications\Notification;
+
+class PaymentReminderNotification extends Notification implements ShouldQueue
+{
+    use Queueable;
+
+    protected $invoice;
+
+    public function __construct(Invoice $invoice)
+    {
+        $this->invoice = $invoice;
+    }
+
+    public function via($notifiable): array
+    {
+        return ['mail'];
+    }
+
+    public function toMail($notifiable): MailMessage
+    {
+        return (new MailMessage)
+            ->subject('Payment Reminder - Invoice #' . $this->invoice->invoice_id)
+            ->greeting('Hello ' . $this->invoice->customer->customer_name)
+            ->line('This is a reminder that payment for Invoice #' . $this->invoice->invoice_id . ' is overdue.')
+            ->line('Amount due: $' . number_format($this->invoice->getTotalWithTax(), 2))
+            ->line('Due date: ' . $this->invoice->invoice_date->format('Y-m-d'))
+            ->action('View Invoice', url('/invoices/' . $this->invoice->invoice_id))
+            ->line('Thank you for your business!');
+    }
+}
\ No newline at end of file
diff --git a/database/migrations/2024_02_24_000000_create_reminder_settings_table.php b/database/migrations/2024_02_24_000000_create_reminder_settings_table.php
new file mode 100644
index 00000000..f995a842
--- /dev/null
+++ b/database/migrations/2024_02_24_000000_create_reminder_settings_table.php
@@ -0,0 +1,27 @@
+
+
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::create('reminder_settings', function (Blueprint $table) {
+            $table->id();
+            $table->integer('days_before_reminder')->default(3);
+            $table->integer('reminder_frequency_days')->default(7);
+            $table->integer('max_reminders')->default(3);
+            $table->boolean('is_active')->default(true);
+            $table->timestamps();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::dropIfExists('reminder_settings');
+    }
+};
\ No newline at end of file
diff --git a/database/migrations/2024_02_24_000001_add_reminder_columns_to_invoices.php b/database/migrations/2024_02_24_000001_add_reminder_columns_to_invoices.php
new file mode 100644
index 00000000..96b04d37
--- /dev/null
+++ b/database/migrations/2024_02_24_000001_add_reminder_columns_to_invoices.php
@@ -0,0 +1,25 @@
+
+
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('invoices', function (Blueprint $table) {
+            $table->integer('reminders_sent')->default(0);
+            $table->timestamp('last_reminder_sent_at')->nullable();
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('invoices', function (Blueprint $table) {
+            $table->dropColumn(['reminders_sent', 'last_reminder_sent_at']);
+        });
+    }
+};
\ No newline at end of file