If your teens are looking for a way to make some money without giving up hours and hours of their limited free time, reselling could be a good side hustle for them. Check Out Our FREE Course To Start Your Flipping Side Hustle Now How To Get Started Reselling On eBay A reseller on eBay sells items they own or have bought for a low price and are reselling to make a profit. As a reseller, you are responsible for your success based on how smart you source, how consistently you list, and the quality of your customer feedback. Teens