Credit card companies make money by earning interest on late payments that you make. If you are paying off your credit card bills within the due dates, then essentially you are not contributing to their profits. You are not in their good books! To lure shoppers to take up a repay-in-future-and-pay-interest option, the EMI on credit cards option works great to their benefit. It also comes as a temporary respite for the buyer as he might be facing a cash crunch at the time of the purchase. Almost all the credit card companies offer two variants of the EMIs – one is a free zero interest rate EMI and the other is a low interest rate EMI. The word low is used here as it is lower than the late payment interest rates that you would have paid normally in case of the non EMI option.