Blizzard has announced that the Diablo III real-money auction house is now open for business in North America and Australia. Accessing the auction house is a piece of cake. All you have to do is click the “Auction House” button of the far left side of the campaign screen.
Blizzard has promised that more information on the impending European and South American launches of the auction house will be available soon.
More information about the real-money auction house can be found at Battle.net.