Question 1

What happens if I miss the 0% APR deadline?

Accepted Answer

If you carry a balance past the 0% promotional period, you will be charged the card's regular APR — typically 20-29% — retroactively on the remaining balance, depending on the card's terms. Always pay off the full balance before the promo period ends.

Question 2

How long are 0% APR promotional periods?

Accepted Answer

Most 0% APR promotional periods last 12 to 21 months. The Chase Freedom Flex offers 15 months, the Citi Diamond Preferred offers 21 months, and the Wells Fargo Reflect offers up to 21 months with on-time payments.

Question 3

Can I have multiple 0% APR cards at the same time?

Accepted Answer

Yes. Credit stacking involves opening multiple 0% APR cards in a short window — typically within 24-48 hours — before hard inquiries appear on your credit report. This calculator helps you track the end dates and payment targets for each card simultaneously.

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