List the books, DVDs, or video games you no longer need. At the time you list them, SwapSimple figures out their current market value, and instantly awards you Trade Credits in that amount. You can then use those Trade Credits to order any number of other items from SwapSimple users all across the United States. When another SwapSimple user orders one of your items, you simply print out a prepaid and preaddressed mailing label from the SwapSimple website (at no cost to you), tape the label to your package, and drop it off at your nearest Post Office or staffed FedEx drop spot.