Amazon gift cards usually come with the starting balance printed on the physical card or mentioned in the email if you receive an eGift card. But what if you want to check the balance on a gift ...
Amazon doesn't mind if you want to know how much of a gift card balance you have, but they don't want you to know the value of a gift card or gift code before it's loaded onto your account.
Also, Amazon doesn't allow users to combine multiple cards for a single transaction. This means that you can't cover your total with two Visa gift cards, or use up the remaining gift card balance ...