You’ve probably reached the checkout page and been offered the option to “Pay in three”, “Spread the cost” or make “Interest-free payments”.
Buy Now, Pay Later (BNPL) has become one of the most popular ways to shop online. Instead of paying for something upfront, you can split the cost into smaller instalments, often without paying any interest. By breaking a purchase into smaller instalments, it can make larger purchases feel more affordable and easier to fit into your monthly budget.
At first glance, it sounds like a win-win. You get what you want today, while spreading the cost over the coming weeks or months.
But, are you borrowing more than you realise? For many people, BNPL feels very different from taking out a loan or using a credit card. The payments are smaller, the application process is quick and the borrowing is often built directly into the checkout experience.
That convenience is exactly what makes BNPL so appealing. It is also what can make it easy to lose track of how much you have committed to repay. The danger isn’t necessarily one large purchase. It is often a series of small decisions that add up over time.
Why BNPL doesn’t always feel like borrowing
Think about how you shop online, you find an item you want, add it to your basket and head to checkout. Instead of seeing a £120 purchase, you might see the option to pay £40 today and two further instalments later.
Suddenly, the purchase feels smaller, the total cost has not changed, but your brain is no longer focusing on the full amount. Instead, it is focusing on the first payment.
Psychologists call this “payment framing”. The way a cost is presented can influence how expensive it feels.
A £300 purchase can feel very different when it is presented as:
- £300 today.
- £100 today and two future payments.
- £25 a week over several weeks.
The amount is exactly the same, but your perception of it is not. This is one reason BNPL has become so successful. It reduces what behavioural economists sometimes call the “pain of paying”, the emotional discomfort that comes with parting with money.
When that discomfort is reduced, spending can become easier – often too easy!
The problem with small monthly commitments
Most people would notice if they took out several large loans at the same time.
But BNPL often works differently. You might buy a pair of trainers one week, a new coat the next, some home accessories a few days later. Maybe a birthday gift for a friend the week after that, and each individual purchase feels manageable.
The challenge is that your future self has to pay for all of them. Because each agreement sits separately, it can become surprisingly difficult to keep track of your total commitments. You might know you owe £20 here and £35 there. But do you know how much you owe across every provider, every purchase and every future payment date?
What is loan stacking?
One of the biggest concerns around BNPL is something known as “loan stacking”.
This happens when you have multiple borrowing arrangements running at the same time.
You might have:
- A Klarna purchase for clothes.
- A Clearpay agreement for cosmetics.
- A Zilch purchase for electronics.
- A credit card balance.
- An overdraft.
Individually, none of these commitments may seem particularly large, but together, they can create significant financial pressure. And the problem is that each lender or provider may only see part of the picture.
While affordability assessments and credit reporting practices are evolving, consumers can sometimes accumulate several borrowing commitments before fully appreciating their overall level of debt. The risk isn’t necessarily that you can’t afford one purchase, but that several manageable purchases suddenly become difficult to manage at the same time.
Why borrowing from multiple providers can catch you out
Using more than one BNPL provider can make budgeting harder than many people realise.
Each provider may have:
- Different payment dates.
- Different repayment schedules.
- Different reminder systems.
- Different dispute processes.
- Different credit reporting practices.
That means your financial commitments can become fragmented across multiple apps, accounts and statements.
You may have enough money to cover all your payments, but still miss one simply because you forgot it was due. You may also underestimate how much of your future income is already committed, as every new BNPL purchase takes a small slice of your future budget, new ones are added and eventually, those slices can start to add up.
When does BNPL become a problem?
Using BNPL doesn’t automatically mean you’re in financial difficulty. Many consumers use it responsibly and never encounter problems. The issue is not whether you use BNPL, but whether you remain in control of it.
Ask yourself a few questions.
Do you know exactly how many BNPL agreements you currently have?
Could you tell someone how much you owe across all providers without checking your accounts?
Would you struggle to pay your bills if all of your BNPL payments came out on the same day?
Are you using BNPL because it is convenient, or because you cannot afford the purchase upfront?
The answers can tell you a lot about whether your borrowing remains manageable.
Signs you may be becoming over-reliant on BNPL
Financial problems rarely appear overnight, more often they develop gradually.
You may want to take a closer look at your spending if you recognise any of these warning signs:
- You regularly use BNPL for everyday essentials.
- You have multiple agreements running at the same time.
- You often forget what payments are due and when.
- You rely on your next payday to cover existing BNPL commitments.
- You are using one form of borrowing to manage another.
- You feel anxious when payment reminders arrive.
- You keep extending or replacing purchases with new BNPL agreements.
None of these signs automatically means you are in trouble. However, they may indicate that BNPL is becoming less of a convenience and more of a necessity. That’s when it is worth taking a step back and reviewing your finances.
The impact on your credit profile
Many people still assume that BNPL sits completely outside the credit system. That is becoming less true, different providers have different approaches to credit reporting, and the BNPL market continues to evolve.
Depending on the provider and product, information about your borrowing or repayment behaviour may be shared with credit reference agencies. Missing payments can also have consequences beyond the immediate purchase.
That is why it is important to understand how each provider handles credit checks and reporting before you sign up. Just because a purchase feels informal does not mean it is invisible.
How to stay in control
The easiest way to avoid problems is to treat BNPL exactly as you would any other form of borrowing.
Before making a purchase, ask yourself:
- Would I still buy this if BNPL wasn’t available?
- Can I comfortably afford all future instalments?
- How many other BNPL commitments do I already have?
- What happens if an unexpected bill arrives next month?
If you’re unsure about any of those answers, it may be worth pausing before you click “Pay in Three”.
You should also make a habit of reviewing all your BNPL commitments together as a whole, rather than looking at them provider by provider. The total amount you owe matters more than the size of any individual payment.
BNPL has transformed the way people shop. For many consumers, it offers a flexible and convenient way to spread the cost of purchases without paying interest. But convenience can sometimes hide the true cost of borrowing. The biggest risk is not usually one large purchase. It is a collection of smaller commitments spread across multiple providers, payment dates and repayment plans.
When that happens, it becomes easy to lose sight of how much of your future income is already spoken for. If you use BNPL, the most important thing is to stay aware of your total commitments. Treat every “Pay in Three” offer as a borrowing decision, not just a payment option.
The true cost of BNPL is not always what you spend today. Sometimes it is what you have already committed to spend tomorrow.
If you have a complaint about a Buy Now, Pay Later (BNPL) provider and are struggling to get it resolved directly with the company, you can use Resolver, to raise and track complaints with the company and escalate if needed. Visit Resolver to get started.
This content is provided for general information purposes only and does not constitute financial, legal, or professional advice. Resolver does not provide financial advice and does not recommend any particular course of action. You should consider seeking independent professional advice if you require guidance specific to your circumstances.
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