Build a basic C2C website like OLX, Quickr.

Seller should be able to post an Ad. Buyer should be able to search for the Ad. A category hierarchy will be maintained. When buyer is posting an Ad he will mention under which category, Sub Category the product belongs to. When seller is on the website and selects a particular category/sub category that product will be seen. Buyer can communicate with seller via Chat. Buyer can notify the seller. Seller will receive notifications via email/sms when the seller wants to notify the buyer. User account management will exist, i.e. the Registered user can change password, have features like forgot password where otp will be sent. There will be a product page where all the details of the product will be seen. A user if unable to find a product can post an Ad stating, "Product is required". No Online Payment No Cart Functionalities A basic C2C website where buyer meets the seller.