Each time your card is utilized for purchase, the total amount is automatically deducted from balance.
A really cool, but highly undercover method is donating the gift card. This way, all of you can indulge in a easy shopping transaction. Their face value is $15-$50, when most cards remain $25. https://groups.google.com/g/giftcard-mall-my-gift-info/c/lJb4jNQqwjY