It is interesting to note that what started off as a marketing gimmick has now become an almost permanent part of the credit card industry in America and today 0% APR credit cards can in fact play a significant role in helping a person reduce or get out of debt. What Is A 0% APR Credit Card? APR is the annual interest rate known in industry jargon as the Annual Percentage Rate. It is a reflection of the cost of credit. In the old days everybody paid a standard APR based on bank rat ..