How about Wal-Mart's money saving card?

Wal-Mart's money saving card is a kind of membership card, also known as discount card.

With this card, you can enjoy discounts and discounts when shopping at Wal-Mart. Members who hold money-saving cards need to pay a certain monthly fee to maintain their membership and enjoy the corresponding benefits and privileges. These expenses exist in different forms, such as monthly deduction or annual payment.