Tips on selling video ads

Hi guys, I'm just looking for advice on this if possible. Basically, I create custom video ads (mainly for dropshippers) and sell them to people looking to buy ads on Facebook / Instagram groups, etc. I want to create a website where potential customers can view, view some of my previous work and video ads I've already created, and order and pay for a new personalized ad from me all the way through the site. ..

Tips on selling video ads