Biggest Online Charity Auctions

By Lawrence Delevingne

Want to raise money for your favorite cause? Forget the silent auction or the $500-a-plate dinner. Do-gooders looking to net serious cash for their beloved charities are increasingly turning to online auctions. The fundraisers often convince a celebrity to donate a little time (lunch with the Oracle of Omaha, anyone?) or a prized possession (thanks for the Harley, Jay Leno), and then auction it off to the highest bidder on the Web.

Which charities are best using Web auctions to raise funds? And which items are fetching the highest bids? This BusinessWeek.com slide show highlights 18 of the biggest money makers.