1. Credit cards can be used to save money, but the main function of credit cards is not to save money, but to overdraft consumption. It is generally best to use a debit card for savings.

2. The money saved in a credit card account is called overpayment. Saving money in a credit card will help improve your credit, but there is no interest in saving money in a credit card and can only be used for consumption.

3. Therefore, it is not recommended to use credit cards to save money. If you need to save, you can use savings cards and debit cards.

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