Should Your Business Offer Buy Now, Pay Later?

Should Your Business Offer Buy Now, Pay Later?
A few years ago, splitting a purchase into four interest-free payments was a novelty confined to a handful of online retailers. Today it is a checkout fixture. Customers arrive expecting the option, and a growing share of small businesses now offer it — not because they studied the economics, but because a competitor did it first and they did not want to be the holdout.
Buy now, pay later — usually shortened to BNPL — lets a customer take the goods now and pay in installments, while you, the merchant, get paid up front and in full. That last part is the part most owners do not realize, and it is the part that matters. Done right, BNPL can lift your average sale and close customers who would otherwise walk. Done without understanding the cost, it is just another fee eating your margin.
Here is how it actually works, who pays for it, what it can do for your sales, and the questions to settle before you switch it on.
The Customer Pays Over Time. You Get Paid Now.
The mechanics are simpler than the branding makes them sound. At checkout, the customer chooses a buy now, pay later option and is approved in seconds by the provider. They take the purchase home and repay the provider in installments — commonly four payments over six weeks, though longer financed plans exist. The provider, not your business, carries the repayment and the risk that the customer does not pay.
On your side, the money lands almost immediately, minus a fee. You are not waiting on the installments and you are not chasing a customer who falls behind — that is the provider’s problem, which is precisely what you are paying them to take on. From an operational standpoint it behaves much like a card sale: the funds settle to your account and the rest happens behind the scenes.
The single most useful thing to understand about buy now, pay later is that the installment risk is not yours. The provider pays you the full amount at the time of sale and collects from the customer over time. You carry none of the default risk.
The Merchant Fee Is Higher Than a Card — On Purpose
Buy now, pay later is not free to offer, and the cost lands on the merchant. The provider’s fee is typically higher than a standard card-processing rate — often noticeably so — because that fee is what funds the customer’s interest-free installments and covers the provider’s risk of non-payment. In effect, you are paying for the customer’s short-term financing so they do not have to.
That sounds expensive, and on a per-transaction basis it is. The case for paying it rests entirely on whether the option changes customer behavior enough to be worth it. If BNPL simply moves a sale you would have made anyway onto a pricier rail, it is a bad trade. If it produces sales or basket sizes you would not otherwise have gotten, the higher fee can pay for itself several times over. Everything turns on that distinction.
If most of your buy now, pay later volume is customers who would have bought anyway, you are paying a premium rate for nothing. The danger is not the fee itself — it is offering it by default without checking whether it actually lifts sales.
It Lifts Conversion and Basket Size When the Ticket Is Right
The reason buy now, pay later spread so fast is that, in the right setting, it works. Splitting a price into smaller payments lowers the psychological barrier at the moment of purchase, which can turn a hesitating shopper into a buyer and nudge an undecided one toward the larger option. For discretionary purchases in the range where the full price gives people pause — furniture, electronics, equipment, higher-end services — that lift is real and measurable.
It matters most where the ticket is high enough that paying all at once feels like a decision. A customer who would balk at a single charge may comfortably commit to four smaller ones, and may add to the order while they are at it. That is the mechanism behind the higher average order values merchants report after adding BNPL. The flip side is that on low-ticket everyday purchases, the option adds little — nobody needs to finance a small sale — so the lift, and therefore the justification for the fee, shrinks toward zero.
Buy now, pay later pays off on higher-ticket, discretionary purchases where the price gives customers pause. That is exactly where the conversion lift and larger baskets show up — and where the premium fee has room to be worth it.
Low-Ticket and Thin-Margin Sales Rarely Justify It
Buy now, pay later is a tool with a clear sweet spot, and outside that spot it stops making sense. On low-value, everyday transactions the conversion lift is negligible because the price was never the obstacle — layering a premium financing fee onto a five or ten-dollar sale is pure margin loss. The same is true for thin-margin businesses generally: if your markup is slim, a fee meaningfully above your card rate can erase the profit on the sale entirely.
It is also worth being honest that BNPL is one more provider relationship to manage, with its own settlement timing, reporting, and customer-service edge cases. For a business whose sales do not sit in the high-ticket, discretionary range, the cleaner answer is often to skip it and keep your acceptance simple. Offering it because everyone else does is not a reason; offering it because your specific sales profile benefits is.
Before adding buy now, pay later, run the numbers on your own sales: average ticket, typical margin, and how much of your volume is discretionary. If the answer is “low ticket, thin margin, mostly need-based,” it is probably not for you.
Three Questions to Settle First
If your sales profile looks like a fit, a few questions decide whether the rollout helps or just adds cost. None is complicated, but each one has tripped up a merchant who switched BNPL on without asking.
First, what is the actual merchant fee, and how does it compare to your current card rate and your margin on a typical sale? Get the real number, not the marketing version. Second, can your existing setup offer it cleanly? Many providers integrate through the systems you already use, and your processor may be able to enable a pay-later option without you signing on with a separate company — worth confirming before you add another vendor. Third, how will you measure whether it is working? Decide up front what success looks like — higher average orders, more completed checkouts — so that in ninety days you can tell whether the fee bought you anything, rather than guessing.
A pay-later option can often be enabled through your existing merchant services rather than a standalone BNPL contract. Confirming that first can save you a redundant relationship and give you one statement to read instead of two.
Frequently Asked Questions
The merchant does. The provider’s fee — typically higher than a standard card rate — is what funds the customer’s interest-free installments and covers the provider’s risk. The customer pays nothing extra when they pay on time; you carry the cost.
Up front. The provider pays you the full amount at the time of sale, minus their fee, and collects the installments from the customer themselves. If the customer falls behind, that is the provider’s risk, not yours.
It depends on your ticket size and margin. On higher-ticket, discretionary purchases it can lift conversion and order size enough to justify the premium fee. On low-ticket or thin-margin sales it usually costs more than it returns. Run the numbers on your own sales before deciding.
More on Acceptance Methods and What They Cost
Send Us Your Numbers. We’ll Tell You If Buy Now, Pay Later Pays Off.
Whether buy now, pay later helps or just costs you comes down to your ticket sizes and your margins — not what your competitor down the street is doing. Tell Brookside what you sell and what you charge, and we’ll tell you honestly whether BNPL would lift your sales enough to earn its fee, whether you can offer it through the setup you already have, and what to watch on the statement. No pitch — just the math. Learn more about payment processing consumer protections from the CFPB.
See If BNPL Earns Its Fee for YouNo obligation • No pressure • Response within one business day