You won't have any problems when you buy cheap wow gold online.
I once found an store where I could buy wow gold cheaper than anywhere else, and I wondered why they didn't advertise more for their good offer. I immediately contacted their customer service and asked them how they could be so cheap,because in any scenario I wanted to buy from a legitimate business and not from some fake scam idiot that would have taken my money without giving me anything. But the guy in the chatroom actually seemed to be ok, and they did have very cheap wow gold, so I took the dive and ordered from them. I ordered some months ago and they immediately delivered in a timelapse of about 15 minutes which was very cool. (Other shops had left me waiting for HOURS at best, so this really surprised me. Everytime I then needed extra wow, I bought it from this very site. It took 20 minutes sometimes, but they always delivered correctly. I am not a salesperson so I won't advertise for their company here, however I want you to know that you can actually buy legitimate gil on the web if you just pay attention to who you are buying from.
I really recommend for you to look at reviews online to find out which shop is good and legitimate, then you won't have any problems when you buy cheap wow gold online.