No. There is no interest on the credit card limit, but every purchase provided by the bank will automatically calculate interest. As long as you depend on how long you use the card and how much money you have on the credit card, you can be a sure user. Of course, depending on the credit card limit, the speed of increasing the limit is relatively fast. One thing to note is that there is no interest on the credit card limit withdrawal interest. As long as the credit card has a cash withdrawal fee, you must show your ID card to repay.