10. Make sure you stand behind your products and services

This can be done by simply providing a money-back guarantee or a mere satisfaction guarantee will surely go a long way to the impressions of your potential bidders. Doing this automatically adds the much needed credibility factor that you need as a seller on eBay.

Keep in mind that there are of course items that need not have this like say, a house and lot. Nobody wants to have a house and lot returned and nobody buys them to return them either. Will doing so cost you? Yes it will SOMETIMES but, you have my guarantee that the benefits will definitely outweigh the disadvantages.