1. More protection. In the event that the card is lost or the credit card is not expired, it will take a while to reissue the card. If you don't have enough cash to pay the bill, you will be in trouble. If you have a second credit card, it will be easier.

2. Dual cards and dual limits. If a cardholder temporarily requests to increase the credit card limit, the bank may not agree 100%. At this time, if you have a second credit card, you can come to the rescue. Since when applying for a second credit card from a different bank, the bank will give the customer a different credit limit, dual cards and dual credit limits allow cardholders to make flexible arrangements.

3. Extend payment deadlines. Credit cards have the function of delayed payment. After you swipe the card, the bank will advance the payment on your behalf and then pay it after receiving the bill. Some cardholders' second credit card has a different settlement date than the first card, which can even lengthen the payment period. Preventing the Expansion of "Virtual Accounts" However, having multiple credit cards that can be overdrafted can bring a lot of convenience, but for those who have poor self-control, credit card consumption can make people easily addicted and destroy their financial health. Using a credit card makes it easier for people to have shopping desires and pay higher prices to buy more goods that are not actually practical. Many people are confused and don't understand why this phenomenon occurs.