I have bought an account on Player Auctions, and I got my money and my account hasn't been taken back or anything, and it's been about 2 months. The way they work is that they take the money from the buyer, then they take the account from the seller, verify them both, then switch. If it works like that with the gold, then you should at least give them a shot, but see if you can talk to the person before you trade them the gold. If not, then talk to them for like 30 seconds before the trade or the guild hand off or whatever it is that you do. If they sound handicraped, then their probably Chinese, so don't sell to them, for that could very well increase the change in your account being banned.
