473234 ads website site

I want to create a site where: It has ads in categories. The categories have subcategories up to 5 levels deep Users can register to this site. Registered users will be able to write ads, answering ads or both. During registration the user will give some basic information (eg name, address). Moreover, users who want to respond to ads will select all ad categories that interest them (eg ? Properties ? Dove Rentals and Property Sales ? ? Xolargos etc.) Users post their ads, giving some basic information (eg description, area). Other users respond to ads. In ad page there is a list with users that have answered. Register users that want to answer to ads receive newletter with ads in categories that interest them Logged in users can see the ads they have post and the ads they have responded. Also they can change their personal details / categories that interest them, etc. Ability to pay (paypal, pay by credit card, a bank deposit and other payment methods) of users for extra services (eg bold ad) Backend can manage users, ads, advertisements, and categories (modification, deletion, etc.) Ability in backend to add ads (with banners) and matching categories - to appear in their respective categories appropriate banners On site there are some pages with text that we can modify from backend (eg About Us, Privacy Policy, FAQ, etc.) when bid inform me about the platform you are going to use (eg. drupal)