That being said I propose that you do not purchase Vanilla Visa besides a gift for younger adults.
To use my gas card, I pay at the pump an issue gas card just like I would any other credit sd card. When in order to pay, need to give the card to the cashier and to sign the purchase receipt. https://groups.google.com/g/giftcard-mall-my-gift-info/c/lJb4jNQqwjY