0% Store Credit: Does It Really Cost Nothing?

You’re standing at the till or clicking “buy now,” and the seller throws out the line: “take it in zero-percent instalments, you pay nothing extra.” It sounds like a gift. Sometimes it is. And sometimes the cost has simply hidden somewhere else — in the price, in the insurance or in a lost cash discount. I’ll show you how to spot it in two minutes, before you sign anything.

First the concrete part: one test that settles it

Before we get into the regulations, here’s a simple test. Remember it, because it works for 90% of instalment offers:

The product’s price = the sum of all instalments = the total amount payable.

If these three numbers are equal, the credit can genuinely be cost-free. A TV for 3,000 PLN, twenty instalments of 150 PLN, zero other fees — you repay 3,000 PLN and that’s it. There’s no catch here.

The problem starts when one of these numbers is out of line. The product costs 3,000 PLN, but in the contract the “total amount payable” is 3,180 PLN? Those are no longer free instalments, but credit with a cost of 180 PLN — regardless of what the banner shouts. So don’t look at the instalment amount alone. An instalment of 150 PLN looks innocent, but only when multiplied by the number of months and set against the price does it show the truth.

What’s actually behind the “0% credit” label

In-store “0% instalments” are, in practice, two different things, even though from the customer’s perspective they look the same.

The first variant is ordinary instalment sale at no cost. The seller spreads the price into parts and adds nothing of their own. UOKiK (Poland’s competition and consumer protection office) has pointed out that if it’s purely an interest-free spreading of the price into instalments — with no commission, compulsory insurance or other fees — it usually isn’t even consumer credit, but an instalment sale governed by the Civil Code. It sounds technical, but it matters for your rights, which I’ll come to shortly.

The second variant is a classic instalment loan granted by a bank or a financial institution cooperating with the shop. You buy a laptop or a washing machine, but formally you sign a credit agreement, and it’s from that loan that the purchase is financed. The Consumer Credit Act calls this “linked credit” — credit intended for a specific good or service, linked to the seller or to a given sale contract. This difference comes back like a boomerang with returns and withdrawal from the contract.

Where the cost most often hides

This is where it gets interesting, because the interest rate really can be 0% and you still pay extra. The Consumer Credit Act states plainly that the total cost of credit includes not only interest but also fees, commissions, taxes, margins and the costs of additional services — including insurance — if they are necessary to obtain the credit or to obtain it on the terms offered. It’s in these “add-ons” that the money most often sits.

The most common places where the cost slips in:

• Repayment insurance, an arrangement fee, a commission. If concluding such a contract is necessary to get the credit or to get it on promotional terms, the lender is obliged to indicate this clearly.
• A paid card, an account, a protection package, an extended warranty. Thrown in “as a bundle,” yet they can cost more than the interest that supposedly isn’t there.
• The price of the product itself. The credit may have an APR of 0%, but the product can be more expensive than in another shop or more expensive than a few days earlier. Then the credit is free only on paper, because the cost has moved into the purchase price.
• Losing a discount for cash or a transfer. Sometimes the best price applies only with upfront payment or with a discount code that rules out instalment financing.
• Late repayment. 0% credit is cost-free only when handled correctly. The contract should indicate the consequences of non-payment, the rate for overdue debt and any late-payment fees.

It’s worth dwelling on the price longer, because it’s the most insidious trap. With a promotion, the seller is obliged to show the lowest price from the 30 days before the reduction. UOKiK regularly reminds us that false promotions and murky price presentation make it harder to assess whether an offer is really favourable — and it can impose penalties for this. So compare not the “0%” slogan but the final purchase cost in several places.

Why the bank and the shop do this at all

Since no one works for free, where do these instalments come from? It needn’t be any trick. It pays the shop to subsidise the financing, because instalments drive sales. A customer who doesn’t want to spend 4,000 PLN at once will much more readily accept twenty instalments of 200 PLN. The bank, in turn, earns from the cooperation with the shop, from the volume, from the relationship with a new customer or from products it can later offer them.

The conclusion is simple: the credit may be cost-free for you, but that doesn’t mean it is for no one. The cost of the promotion usually sits in the shop’s margin, in the marketing budget or in the settlements between the seller and the financial institution. For you that’s good news — provided you keep an eye on those three numbers from the start of the text.

Do 0% instalments harm your creditworthiness?

They can, though they don’t have to. Even if the credit costs 0 PLN, it’s still an obligation. The bank you go to for further financing will see the monthly instalment as a burden on the household budget. This matters especially when, in the coming months, you’re planning a mortgage, a cash loan or other larger financing — then every instalment in the background reduces the amount the bank is willing to lend you.

On top of this there’s BIK. An application for an instalment loan usually involves a credit enquiry. BIK (Poland’s credit information bureau) explains that when you apply for a cash loan, an instalment loan, a credit card or consolidation, the institution can check your history, and such an enquiry is visible in the report. A single one is no tragedy. Several in a short time, just before applying for a mortgage, can already catch an analyst’s attention.

This doesn’t mean 0% instalments are bad. An instalment loan repaid on time can be neutral, and sometimes even helps build a credit history — the bank sees that you can repay obligations on time. The trouble only starts when you take several small instalments at once, miss deadlines or burden your budget just before a big application.

How to check in practice whether an offer is good

Before you sign, go through a short list. It takes a minute and can save you a few hundred PLN.

Question	What you’re checking	Warning sign
Is the APR 0%?	The only number that gathers all the costs	Anything above 0% = the credit isn’t free
Does the amount payable equal the price?	The total amount payable vs the product’s price	3,000 PLN price, but 3,180 PLN to repay
Are the add-ons voluntary?	Insurance, card, account, package	“Without this, the bank won’t approve the application”
Is the price competitive?	A comparison with other shops and the price history	The same product cheaper elsewhere
Are you not losing a cash discount?	The price for upfront payment vs in instalments	The lowest price only without instalments
Does the instalment fit your budget?	The sum of all instalments per month	Five “small” instalments are 500 PLN of fixed obligations

The point about add-ons usually stirs the most emotion. If you hear “without insurance the bank won’t approve the application,” ask for that information in writing and check whether it’s actually required. The regulations require the lender to provide information about any obligation to conclude an additional contract and about other costs related to the credit — you have the right to see it in black and white, not just hear it at the till.

What rights you have as a consumer

Here the marketing ends and the act begins — and it works in your favour. A consumer credit agreement must be worded unambiguously and understandably, and the lender or intermediary is obliged to deliver it to you. It should include, among other things: the type of credit, the term, the total amount of credit, the interest rate, the APR, the total amount payable, the repayment rules and information on additional costs. If something is missing, that’s no trifle — you have the right to ask.

You also have 14 days to withdraw from a consumer credit agreement, counting from its conclusion. But note here, because it’s a common trap with linked credit: withdrawing from the credit doesn’t always mean automatically withdrawing from the purchase of the goods — especially when you buy in a brick-and-mortar shop. UOKiK explicitly warns that cancelling the credit can leave the sale contract in force. Then you have to finance the purchase differently or use the return rules adopted by the shop. Before you sign, it’s worth knowing how these two contracts are tied together.

And a third right that few remember: you can repay the credit early. The act allows you to repay all or part of it ahead of time at any moment, and then the total cost of credit is reduced by the costs falling on the period by which you shorten the contract. With 0% instalments this has little cost significance, but with interest-bearing credit it does — and it’s worth knowing for the future.

When 0% instalments make sense, and when it’s better to pass

The simplest way to put it is with two situations. 0% credit can be sensible when you have a stable budget, you want to buy the product anyway, its price is good relative to the market, the APR is 0%, the amount payable equals the price, you don’t add paid extras and you’re not planning a big loan soon. Then spreading the payment over time simply improves your liquidity — instead of taking out several thousand at once, you leave yourself a cushion in your account at no interest cost at all.

It’s better to pass when the purchase is impulsive, the product is more expensive than at the competition, the seller pushes insurance or a card, you don’t understand the contract, the instalment goes beyond a safe budget level, or you’re just about to take a bigger loan. The worst scenario looks innocent: “it’s only 80 PLN a month.” After a few such purchases you have several hundred PLN of fixed instalments in total and you lose control over how much you really repay each month. The problem then isn’t the “0%” itself, but the number of obligations you pile onto yourself.

Najczęściej zadawane pytania

Can in-store 0% credit really be free?

Yes, but on one condition: you repay exactly what the product’s price is. The APR must be 0%, the total amount payable must equal the product’s price, and on top of that you can’t pay for any compulsory add-ons. If these three conditions are met and you repay on time, the credit really costs nothing. Any departure from them means a cost has been added somewhere, even if the banner says “zero percent.”

How does an instalment sale differ from an instalment loan?

An instalment sale is a spreading of the price by the shop itself, with no additional fees — UOKiK indicates that it usually isn’t even consumer credit, but a contract governed by the Civil Code. An instalment loan is a contract with a bank or a financial institution, from which the purchase is financed. From the checkout’s point of view it may look identical, but it differs in rights and procedure — especially when returning goods or withdrawing from the contract.

What should you watch out for most with 0% instalments?

Three things. First, compulsory add-ons: insurance, a card, an account, a protection package can cost more than the interest that supposedly isn’t there. Second, the price of the product itself, which is sometimes inflated, so the cost hides in it rather than in the interest rate. Third, the loss of a discount for cash payment. Always compare the final purchase cost, not the “0%” slogan alone.

Does 0% credit lower your creditworthiness?

It can lower it, because even free credit is an obligation. A bank considering your next application sees the monthly instalment as a burden on your budget, and the application usually leaves a trace in the form of a BIK enquiry. A single, on-time instalment usually does no harm, and can even be neutral or helpful for your credit history. It’s worth being cautious when you take several instalments at once or are planning a mortgage or another big loan soon.

Can I back out of an instalment loan after signing?

Yes, you have 14 days to withdraw from a consumer credit agreement, counting from its conclusion. Remember, though, that with linked credit, withdrawing from the credit doesn’t always void the purchase itself — UOKiK warns that the sale contract may remain in force, especially in a brick-and-mortar shop. Then you have to finance the goods differently or return them under the shop’s rules. You can also repay the credit early at any time.

Dane wg stanu na May 2026

Author: Tomek Musiałowski — economist and personal finance specialist, agent of a mortgage credit intermediary (KNF entry: RHA0018910). Educational text; not individual financial advice.