For starters, I would recommend products you do or would use yourself. If you are familiar with them, it will come across in your ads, might encourage more people to try a product new to them.
Pick items that people use frequently, or items coming on sale for upcoming holidays, or items students might need.
Start with a few good solid choices, see which ones move. You can always add or delete items later on, after you see how it goes.
You might want to consider posting a question as to what customers would like to see on your site, have a box where they could post their comments.
For starters, I would recommend products you do or would use yourself. If you are familiar with them, it will come across in your ads, might encourage more people to try a product new to them.
Pick items that people use frequently, or items coming on sale for upcoming holidays, or items students might need.
Start with a few good solid choices, see which ones move. You can always add or delete items later on, after ...more