Also, ensure it was actually deducted from your account. Several banks (most notoriously Bank of America, who are currently facing a lawsuit they claim could bankrupt them over it) will hold funds after a failed transaction, particularly after-hours and weekend transactions.
Just came back to this thread to say that this it the first time I have filed a ticket with any game and have my issue solved immediately! I filed a ticket before going to bed. This morning, I contacted support chat promptly at 9am._______, if the job wasn't already taken I would ask you to have my babies! (hehe) _______ resolved my issue in 12:00 minutes! Nothing but praise for solving my issue so efficiently.