Quick, what is in your wallet / purse? The one that you cannot do without is your credit card. Though two decades ago, the credit cards was not ubiquitous as it is today, its usage and penetration into the human civilization is undoubted.

We have become a society that lives on credit. And that is not necessarily a bad thing. In fact, to the informed user, credit cards can be a great convenience and boon.

Take for instance the case of 0% balance transfers. If you know which bank is offering which promotion, you could end up saving a lot of money. Or think of the 0% credit cards. You heard that right, credit cards at 0% APR.