It really depends on what your selling, but just a few things to know... Amazon, and Ebay are extremely competitive.... for every 1 item you have to sell, someone else has 10 of them for less... I started an ebay store and did well for the first few days then i didnt get anymore sales... I suggest setting up your own website store at your own domain and selling stuff right from there, it will cost you wayyyy less then ebay or anywhere else. I also suggest you get your domain from G.D.I because there program makes you money just for having a website with them, you can learn more here http://www.my.ws/jeffro75