Need Suggestion for my Website..

Hey folks, I am currently developing a website in MERN stack, adding all basic features like:

1. create profile
2. edit profile
3. reset password
4. view product
   5.add product on website (if user is a Vendor)
   6.checkout page
5. payment gateway
   8.track order
6. download invoice
   what else should I add to this website . or this is much??
   looking forward to get more n more suggestion from you guys'.
   thanks.