Q: Why does my payment method always get declined

I am having this problem too. I recently added a Visa Gift Card onto my account to buy some in-app purchases. I am now trying to take it off for I am done with using it. I have checked my balance online and it is still at $3.03, so I have no idea why it is not working. I am trying to enter a new card that I just bought so that I can have a vaild card adn the "None" option will show up, but it keeps saying it was declined. And no, "HT2534" is not working.

The available payment methods vary by country. You can typically use these methods:

Read here: Payment methods you can use in the iTunes Store, Mac App Store, App Store, and iBooks Store - Apple Support