What APR actually means in your wallet
Annual percentage rate is the number printed on every credit card offer, but most people have a rough and imprecise understanding of what it actually means for them. APR is the yearly cost of borrowing money expressed as a percentage. But credit cards typically charge interest monthly, which means the actual effective rate you pay can be slightly higher than the APR suggests.
Here's the part that matters most: if you carry a balance month to month, interest compounds. The interest you didn't pay last month gets added to your principal, and next month you're paying interest on that interest too. This is why minimum payments on credit cards can take years to pay off a balance that seems modest at first glance. Understanding this mechanic doesn't tell you what to do. But it does change how you see the decision.
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