Second: there is an interest-free period, the longest is 56 days and the shortest is 25 days. In other words, on the first day after the bill date, if you spend by credit card, you can enjoy interest-free for up to 56 days.

Third: you said that every time you spend or withdraw cash, you will start to calculate interest the next day. You must have miscalculated. Because the interest will not be recorded until the second day after withdrawal (withdrawal is five ten thousandths of the daily interest).

Based on the above, to answer your three or four questions, the landlord should understand and rest assured.