"I think money was stolen from my card" or "I might have blocked my card in the ATM" - these are frequent problems that bank customer-support officers usually hear from agitated clients. Incorrect use of credit cards or wrong interpretations of their functions are frequent even after tens of years of credit-card extensive use. Actually, there are 4 most frequent causes for problems; one is related to overspending, the second is about missing money; this is usually connected to the 3rd problem - unauthorized use and finally there is the issue of forgotten information. All these problems are interconnected and can lead to serious financial problems. However, there are a few simple things that you can do in order to avoid hassle.

First and foremost, remember that your credit card has a limit. When you open a credit line you will be given a certain credit limit that can vary from twice your monthly income to 3 or maybe 4 times that income, depending on past credit history. However, do not spend more than you can pay back. At the end of each month you will have to pay-back the borrowed money and there will be no exceptions from the rule. So lesson number one is