What buy now, pay later really costs
Pay-in-4 is interest-free when every payment lands on time. The cost hides elsewhere.
- Split your purchase into four payments and pay no interest if each one is on time.
- Miss one, and a late fee lands — often a flat charge, not a rate.
- Longer monthly plans can carry real interest, up to bank-card levels.
- The catch: stack several plans and the small costs multiply fast.
Illustrative example. Actual rates and terms vary. Run your own numbers →
Where the cost hides
Pay-in-4 splits a purchase into four equal payments over about six weeks. Pay each one on time and you owe no interest. That part of the pitch is true. The cost shows up in three other places.
Late fees. Miss a payment and you pay a flat fee, often $7 to $8. It reads small. But annualize a flat fee on a small balance and the real rate can run high — payday-loan territory on a short window.
Interest on monthly plans. Longer plans stretch a purchase over months. These often carry a real rate — an APR, the yearly cost of borrowing as a percent. That rate can reach 36%, close to what a bank card charges.
An overdraft when auto-debit hits. Most plans pull payments automatically. If the account is empty when a payment lands, your bank can charge an overdraft fee. That cost comes from your bank, not the plan — but the plan set it off.
One plan is easy to track. Several at once is not. Stacking plans multiplies these small costs.
It also hides how much you owe. Each plan looks tiny on its own. Added up, the four payment dates and the total can be more than you meant to carry. See what to watch before you split a second purchase.