As the number of eBay users continues to enlarge, so do the number of online opportunists, defraud artists, and miscreants that prey upon unwitting shoppers. Recognizing this danger, this guide helps eBay buyers and sellers both defend themselves and profit. Beginning with the basics of the eBay buying and selling process, users will gain the knowledge necessary to understand the online auction business. Scams are then described and divide, including such plans as phantom bidding, spamming, bait and ditch, bid shielding, counterfeiting goods, and feedback pouncing. Checklists for buyers and sellers are provided along with a list of eBay software tools.