First, let’s tackle financial security. Credit cards offer reward points, deals and discounts, cashback, aspirational lifestyle experiences, and no-cost equated monthly instalments (EMIs). These are over and above the interest-free payment window. However, these benefits pay for themselves only when you repay your dues on time. The smartest credit card users do not roll their dues over to the next month. They settle them in full and on time the same month. The typical credit card has a rate of interest of 2-4 per cent per month. If you avoid the late payments and interest charges, your credit score gets better, which makes you eligible for the best loan and credit card offers. On the flip side, late payments can wreck your credit score and make you ineligible for fresh credit, and the compounding interest will create financial stress.