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 need to check the balance on a gift card that you've already redeemed?

Amazon's October Prime Day event is officially live. If you're shopping for the holidays or grabbing a gift for yourself, you can get an instant $150 Amazon gift card to help you save even more when you're approved for the Prime Visa credit card.

Amazon Prime Day technically only lasts two days, but deals start many days — if not weeks — before and linger for a few days after the event ends every year. If you were caught up with plans the last two days and didn't get a chance to shop this October Prime Day,