How To Sell Used Clothes On eBay For Fun & Profit! If you want to make money on the side, selling used clothes on eBay. Find out exactly what clothing brands sell best on eBay and where to find them. Making money on eBay is one of the best side hustles out there. Clean out your closet and rake in the money! Also, be sure to check our our blog at ResellingRevealed for more tips, tricks, and eBay guides!