Classified Ads Website with Mobile App for Cars .NET Core with Xamarin App

Classified Ads Website with Mobile App for Cars .NET Core with Xamarin App. User can place ads in different categories for different prices (Admin can place ads type with prices and where they will be places - If premium, then the premium section and the section of the ad, if not premium, then only the section that the user choose). The app will have one section for car ads with filters on make, model, year, and price, one section for heavy duty cars with filters on make, model , and year and others section where u can place subcategories and items from Admin panel ONLY. User can delete or modify an ads. All ads needs approval before getting listed. Payment gateway (I will provide API). Admin can place as many section as he wants (2 types -> Users can place ads here) and the other type (User can't place ads here and only admin can place ads). Premium ads section, Premium cars section, Premium cars for every sub category (Same as premium cars section but with filters, it should take the more details cars). Should have 2 languages english & arabic (RTL) on both the web and mobile app (android & IOS). Premium Cars should have a marking like red stripe or anything. Localization can be changed from the back-end.