What auction sites are the largest?
eBay is by far the largest auction site. Right now, it has more than 2 million items up for sale in a wide variety of categories, from collectibles and jewelry to computers. The other major general sites are Yahoo Auctions and Amazon.com Auctions (items number in the hundreds of thousands). Excite Auctions, Up4Sale, boxLot, CityAuction, and Auction Universe have inventories in the tens of thousands.