I also know that the original poster’s idea is a bit naive, but it is important to note that credit cards in the United States have a very high security system. For example, when opening a card, you need your social security card number, birthday, mother’s maiden name, and then When shopping online, the mailing address of the goods must be the same as the main address of the card on the card. Therefore, when you shop online, the security system that issued the card will automatically cancel your purchase as soon as it detects that the address is inconsistent. So you can’t buy anything even if I give you my card.