In order to qualify for the top rated section on the home screen of Camlist all you need is:
A complete profile with a profile pic and a username (read more about setting up your profile here)
Receive a minimum of 3 payments from 3 different buyers on the app
Receive a minimum of 3 ratings of 5-stars from 3 different buyers on the app
The more payments and ratings you receive on the app, the better your chances of getting on the top rated section