Money Foundations

Lesson 13 of 30 2 min read

The true cost of a credit-card balance

Key idea

A credit card is a brilliant tool and a brutal loan. The switch between the two flips the day you don't pay in full.

Used one way, a credit card is genuinely useful: a 30 to 45 day interest-free window, rewards, a record of spends, safety on fraud. Used another way, it becomes one of the most expensive loans available to an ordinary person.

The single line that matters

The minimum-due trap

The "minimum due" is designed to feel like relief. It isn't. Paying only the minimum on a large balance can stretch repayment across years, with interest quietly compounding the whole time.

₹50,000 balanceIf you pay…Roughly
Full amount₹50,000₹0 interest
Minimum due onlya small % monthly years to clear, ₹ thousands in interest

The mechanism is compounding running against you at a punishing rate. The very force that builds wealth when you invest works just as hard to destroy it when you carry a card balance.

The habit that keeps the card a tool: treat the statement like a bill that must be cleared in full, every month. If you can't clear it, the card is telling you the spend was too big.

Finished reading?

Marking this complete counts today, and your streak becomes day 1.