Would it also be against the rules to sell a Diablo 3 activation key? I've got an extra one -- not a guest pass. I know there are some rules about reselling products.
I believe that is against the EULA as well, but you could always ask blizzard support.
New Prices!
1 million gold =
2.00000 BTC
5 million gold =
9.63000 BTC
10 million gold =
19.20000 BTC
Even larger quantities available upon request. Feel free to make me an offer!