Auctions
eBay.com - http://www.ebay.com/
Buy and sell electronics, cars, clothing, apparel, collectibles, sporting goods, digital cameras, and everything else on eBay, the world's online marketplace.
Proxibid - http://www.proxibid.com/
Find a live online webcast auction and bid on fine art, antiques, farm and construction equipment, real estate, vehicles, and more.