After 10 days your account will be terminated, after that you can signup using same details again. But for now you are not allowed to backup any data from your account
Terminated accounts are not restore able. You can signup for a new hosting account.
Also Remember to Login on Forums once every month to keep your account active
Yeah It is Godaddy GiftCard, I got 15$ Gift Card from my friend recently. I use 5$ and 10$ are still there.
But there is no option to pay these dues with Gift Card. You can Only pay with credit card or paypal
Go to https://x10hosting.com/control/ login with forums username and password. Then Click on support at TOP menu, There you can see your newly created ticket. Reply your License verification there