I used to purchase frequently from gameflip but having to wait after paying for the funds to enter my account really discouraged me from buying from gameflip any further. A year later I try to buy something again and just like before pending.
You should verify your ID and phone and Credit Card, thats what fixed it for me.
Hello @Young_Park,
Could you please provide me your invite code, so I can provide you further details on what to do?
God Speed! 