Originally Posted by Tumblin
Last time I checked the Rmah can only be used on your blizzard account which is "blizzard Buck" to be used in their market. Paypal has nothing to do with it as you can not actually make money playing this game unless you are looking to buy multiple wow subscriptions.
A variety of methods are available to buy and sell items in the real-money auction house.
Battle.net Balance: Your Battle.net Balance is a value stored in your Battle.net account. In addition to bidding on Diablo III auctions, your balance can be used to buy select Blizzard Entertainment digital products directly through Battle.net. See the Battle.net Balance FAQ for more information.
Battle.net Balance is available to buy and sell items in the following real-money auction houses:
The Americas: USD, MXN, AUD, BRL, CLP, ARS
Europe: EUR, GBP, RUB
PayPal: In certain regions, you can link your Battle.net account to a PayPal account and use it to buy items and receive proceeds from auctions (a 15% transfer fee applies to the latter).
PayPal is available as a method to buy and sell items only in the following real-money auction houses:"
I confirmed it before I made my post.