Why the Minimum Due Is a Trap
- Paying the minimum avoids a late fee, but interest is charged on the whole unpaid balance, usually from the date of each purchase.
- Once you carry a balance, new purchases typically lose the interest-free period too.
- GST is charged on the interest, which adds about another fifth to the interest cost.
- Because the minimum shrinks as the balance shrinks, repayment drags on for years.
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