text: Check out ebay to see what other people sell, and what they sell it for.\nYou must be prepared to be very price competetive.\nSome people sell used items that they want to get rid of, as if it were a electronic garage sale.  Be clear and accurate about imperfections.\n\nSome people sell services.  Check out how other people market there service.\n\nIf you are shipping items from your home, make sure that there aren't local laws preventing you from maintaining inventory in your home.  My homeowners association specifically says that I cannot store inventory on my home.  They dont want the UPS truck coming to my house every day.