I imagine that it's the same use case as buying gift cards for yourself with cash. If you don't have a credit card and you need to buy something online, you'd d

I imagine that it's the same use case as buying gift cards for yourself with cash. If you don't have a credit card and you need to buy something online, you'd do it by buying yourself a gift card. This appears to be the same thing except they don't make you type in the gift card number.