Credit cards

How a 0% intro APR card can wipe out 15 months of interest (and the three things to check before you apply)

If a card balance is eating a chunk of every payment, one move changes the math: a card with a 0% intro period on balance transfers. Here is how it works, who it fits, and how to use the intro months so they count.

SmartApplyNow team Updated September 18, 2026 · 6 min read

Key takeaways

  • 0% intro APR for 15 months on purchases and balance transfers.
  • A one-time balance transfer fee applies; on most balances worth moving it is a fraction of the interest you skip.
  • No annual fee, no foreign transaction fee, and earn up to 5% cash back on certain categories!
  • It only works if you keep paying: the goal is to reach month 15 with as little left as possible. See if you qualify.

Why interest is the part of your payment you never see

Say you owe $6,000 on a card at 24% APR and you send $250 every month. It feels like progress. It is, slowly: about $120 of that first payment is interest, and only $130 touches the balance. Keep that up and the card takes about 34 months to clear and costs roughly $2,250 in interest along the way.

A balance transfer card changes one variable. For the length of its intro period, the rate on the moved balance is 0%, so the whole $250 goes to the balance. Same payment, same discipline, very different result. This offer gives you 15 months of that.

Man reviewing a bill at home

Situational photograph, not a customer. Photo via Pexels.

How a balance transfer actually works

  1. You apply for the new card. The issuer decides approval and your credit limit. Most 0% offers want good credit, and the limit caps what you can move.
  2. You tell the new issuer what to pay off. Old card number, amount, done. The transfer usually posts within one to three weeks; keep paying the old card until it does.
  3. You pay down the balance at 0%. Every payment reduces principal. Set the payment to what clears the balance inside the intro period if you can.
  4. The intro period ends. Whatever is left starts accruing at the variable rate. That is the deadline the whole plan is built around.

The math on a real balance

Numbers beat adjectives, so here is the $6,000 example side by side. Both rows assume the same $250 a month. The transfer fee is estimated at 3% for the example and added to the moved balance, the way issuers charge it; the issuer's terms state the actual fee.

Interest in the first 15 monthsFeeBalance after 15 monthsPaid off in
Stay at 24% APR$1,502$0$3,75234 months
Move it to 0% for 15 months$0about $180$2,43026 to 27 months at the same payment

That is about $1,300 kept in your pocket over the intro period after the fee, and a balance about a third smaller when the promo ends. Push the payment to about $415 a month and the balance, fee included, is gone inside the 15 months with no interest at all. Check your own numbers on the offer page.

"The transfer fee is the price of the intro period. On any balance worth moving, it is far smaller than the interest it replaces."The one line to remember before you apply

The catch, plainly

Three things, none of them hidden, all of them worth reading twice before you head to the offer.

  • The fee is real. A percentage of the amount you move, charged once. On $6,000 at 3%, that is $180.
  • The promo has a hard end date. What is left after month 15 costs the regular variable rate. Plan the payment around that date, not around the minimum.
  • New purchases are also at 0%. Great for people who use it; a trap for people who treat it as room to spend.
Wallet holding several credit cards

Situational photograph, not a customer. Photo via Pexels.

Who this is for, and who should skip it

A good fit if

  • You carry a balance you could clear in about a year with a steady payment.
  • Your credit is good enough for approval (most 0% offers want good to excellent).
  • You want one number to pay each month instead of three cards.

Skip it if

  • The balance would take three years or more even at 0%.
  • You expect to keep charging on the old card too.
  • You would rather not open a new account right now.

What the first year looks like beyond the intro period

The intro rate is the reason to open this card. The rest is a nice bonus: up to 5% cash back on certain categories, there is no annual fee, and no foreign transaction fee if you travel. None of those should decide it for you. The interest you do not pay should. See the offer.

Questions people ask before they click

Does applying hurt my credit?

An application is typically a hard inquiry, which can lower a score by a few points for a few months. Paying a balance down at 0% usually helps your utilization more than the inquiry hurts.

Can I move a balance from any card?

Usually, as long as the old card is not from the same issuer as the new one. The issuer's terms list any exclusions.

What happens if I miss a payment?

Read the terms: on some cards a late payment can end the promotional rate early. Set up autopay for at least the minimum.

How long does the transfer take?

Usually one to three weeks. Keep paying the old card until the balance lands on the new one.

Is SmartApplyNow the issuer?

No. We are a comparison and referral service and may earn a commission when you apply through our links. The issuer decides approval, your limit and your terms.

Written by the SmartApplyNow team

We compare loans, cards and insurance from third-party partners and write the plain version of what each one does. We are not a lender or an issuer. Advertiser disclosure: SmartApplyNow may earn a commission when you apply through the links on this page. That does not decide what we write.

0% intro APR for 15 months on purchases and balance transfers, then 17.49% to 26.49% variable APR. A balance transfer fee applies. Subject to credit approval. Card terms change often, so confirm current details on the issuer's site before you apply. Example figures use standard monthly amortization and are illustrative. SmartApplyNow may earn a commission when you apply through the links on this page.