Free delivery means no money, which is a marketing tool. You may need to pay a deposit when you get it, and you need to meet the requirements of some gyms to get a refund.
Before choosing prepaid consumption, consumers should first understand the situation of operators, such as whether they have filed in the commercial department and whether their licenses are complete; Check whether the filing items and licensing registration items are consistent with the actual situation; Choose a business with standardized operation and a certain scale; Clearly understand the scope of use, duration, refund conditions and liability for breach of contract of prepaid cards.