How Credit Cards Really Work

1

Two products in one card

A credit card is really two products. Used one way, it is a payment tool: you spend, you pay the full statement balance by the due date, you pay zero interest, and you may collect points and purchase protection. Used the other way, it is one of the most expensive loans a regular person can hold — in Malaysia typically 15–18% per year, compounding on your daily balance.

Which product you own is decided by one behaviour: whether you pay in full.

2

The minimum payment trap

The minimum payment — usually 5% of the balance — is calibrated to keep the loan alive, not to finish it. Pay only minimums on a RM5,000 balance at 18% and you will be paying for years, with interest ultimately rivalling the original amount. Worse, interest is usually charged from the transaction date once you carry a balance — the interest-free period only exists for people who pay in full.

Monthly payment on a RM5,000 card balance (RM)

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to clear the balance at 18% p.a. — drag and watch the trap open and close

3

Rules that keep the card working for you

Three habits separate the payment tool from the debt trap: pay the statement balance in full, every month, automatically if your bank allows it; treat the credit limit as the bank's number, not your budget — your budget is your budget; and if you already carry a balance, stop adding to it and clear it before almost any other financial goal — an 18% guaranteed cost beats most returns you could earn elsewhere. Our Debt Payoff Planner will show you the fastest route out.

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Quick check

1. The interest-free period on a credit card applies when you:

Carry any balance and interest typically accrues from transaction date — full payment is what keeps the card free.

2. Minimum payments are designed to:

At ~5% of balance, minimums mostly service interest — the principal barely moves.

3. Why does clearing an 18% card balance beat most other financial moves?

Avoided interest is a risk-free return. Very few investments reliably beat 18% — none without risk.

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