You don't need real estate to apply for a credit card. It's just a bank review of your credit ability. If you buy a commercial house with a loan, and repay it on time, and there is no bad record, then your credit rating in China Bank is relatively high. It will be very convenient for you to apply for credit cards in major banks, and the credit limit will be high. The initial approval amount is about 1 10,000, and the amount will be adjusted from time to time with your card usage. Generally, a bank can handle two or three different credit cards, but it can share the credit limit, or it can have one credit card and multiple supplementary cards. You can apply for credit cards from multiple banks, but you should pay attention to the fact that the number of swipes of various credit cards is different, and it is best not to be too many. Accidentally deduct your annual fee! I hope it helps you!