Who Really Pays for Buy Now, Pay Later? The Retail Economics Australians Aren't Seeing

There is something quietly seductive about splitting a $300 purchase into four tidy fortnightly instalments. No interest. No credit check drama. Just a tap and a confirmation email. Australia has embraced Buy Now, Pay Later (BNPL) with remarkable enthusiasm — the country ranks among the highest per-capita users of the payment model globally, with millions of accounts active across platforms like Afterpay, Zip, and Klarna.

But the architecture behind that seamless checkout experience is considerably more complicated than the consumer-facing simplicity suggests. The question that rarely gets asked is this: if the shopper isn't paying fees, who is?

The answer, once examined carefully, points directly back to the consumer — just through a less obvious route.

What Merchants Actually Hand Over

When a retailer elects to offer BNPL at the point of sale, they enter into a commercial arrangement with the BNPL provider. In exchange for access to the platform's customer base and the promise of higher conversion rates, the merchant pays a transaction fee. In Australia, these fees typically range between 3% and 6% of each transaction value — a figure that dwarfs the standard merchant service fee on a Visa or Mastercard transaction, which generally sits below 1%.

For a clothing boutique processing a $200 sale through a BNPL provider, that could mean surrendering $10 to $12 on a single transaction. Across hundreds of daily transactions, the cumulative cost becomes a material line item in any retailer's operating budget.

Unlike credit card surcharges — which Australian merchants are legally permitted to pass on to consumers — BNPL providers have historically prohibited retailers from applying surcharges specifically for BNPL use. This no-surcharge rule has been a defining feature of the BNPL commercial model, and it has also been one of its most contested elements from a competition policy perspective.

The Invisible Price Adjustment

So what do retailers do when they cannot explicitly charge more for BNPL transactions? Many do what businesses have always done when facing elevated input costs: they absorb the margin reduction or adjust their baseline pricing upward across the board.

This mechanism is subtle but significant. When a retailer builds BNPL fees into their general cost structure, every customer — including those paying by cash, debit card, or bank transfer — effectively subsidises the BNPL arrangement. The shopper who never uses Afterpay and pays by eftpos is quietly cross-subsidising those who do.

This dynamic has drawn scrutiny from the Reserve Bank of Australia, which has long argued that the no-surcharge rule distorts price signals and shifts costs in ways that are neither transparent nor equitable. The RBA's ongoing review of payment surcharging rules has specifically examined BNPL's position within the broader payments ecosystem, with regulatory reform remaining a live conversation in Canberra.

Why Some Retailers Are Quietly Walking Away

The merchant cost story doesn't end with fee absorption. A growing number of Australian retailers — particularly in the small-to-medium segment — have begun quietly withdrawing BNPL options from their checkout pages, and their reasons are instructive.

For businesses operating on thin margins, such as independent homewares stores, local fashion labels, or specialty food retailers, a 5% BNPL fee on a $150 sale can eliminate the profit on that transaction entirely. When BNPL was new and drove meaningful incremental sales, the trade-off made commercial sense. As the payment method has matured and consumer novelty has faded, the calculus has shifted.

Some retailers report that BNPL customers are also more likely to return goods, creating additional friction and cost. Others note that the administrative overhead of managing disputes through third-party BNPL platforms adds an operational burden that isn't reflected in the headline merchant fee.

The result is a quiet but real contraction in BNPL availability at certain retail categories — a development that receives far less attention than the platforms' consumer-facing marketing.

The Consumer Who Thinks They're Getting a Free Ride

None of this is to suggest that BNPL is without genuine value. For consumers managing irregular cash flow — a reality for many Australians employed in contract, casual, or gig-economy roles — the ability to spread payments without incurring interest can be a genuinely useful financial tool. The platforms themselves have democratised access to short-term credit in ways that traditional lenders have not.

But the framing of BNPL as a cost-free payment option deserves scrutiny. The costs exist; they are simply distributed differently. Late fees for missed payments can accumulate rapidly for consumers who overextend across multiple platforms. The lack of consistent credit reporting — though this is changing under proposed reforms — means some users accumulate BNPL debt without it appearing on their credit file, creating risk that is invisible to subsequent lenders.

And at the retail level, the pricing distortions described above mean that the true cost of BNPL is baked into the sticker price before a consumer even reaches the checkout.

What Regulatory Reform Could Mean for Shoppers

Australia is in the midst of meaningful reform in this space. The federal government's move to bring BNPL under the National Consumer Credit Protection Act represents a significant shift toward treating these products with the same regulatory rigour applied to traditional credit. Responsible lending obligations, clearer disclosure requirements, and potential changes to surcharging rules are all on the table.

If merchants are eventually permitted — or required — to apply a surcharge for BNPL transactions, the dynamics described in this article would shift considerably. Consumers would face a more transparent choice: pay the BNPL surcharge explicitly, or use a lower-cost payment method. The cross-subsidy would be surfaced rather than hidden.

For savvy Australian shoppers, this would represent a genuine improvement in payment transparency. For BNPL platforms, it would require a recalibration of their commercial proposition to merchants and consumers alike.

Making Smarter Checkout Decisions

Until regulatory clarity arrives, the most practical step for Australian consumers is to approach BNPL with informed scepticism rather than reflexive enthusiasm. A few questions worth asking before splitting that next payment:

• Is the item available at a comparable price from a retailer that doesn't offer BNPL? If so, the price differential may reflect embedded BNPL costs.
• Do you have the funds available to cover the full purchase now? If yes, paying outright by debit card or bank transfer eliminates any risk of late fees and avoids contributing to the cross-subsidy.
• Are you managing multiple BNPL commitments simultaneously? The convenience of each individual arrangement can obscure the cumulative obligation across platforms.

Buy Now, Pay Later is neither inherently good nor bad. Like most financial instruments, its value depends entirely on how deliberately it is used. What Australian consumers deserve — and what genuine payment innovation should deliver — is the transparency to make that judgement clearly, rather than through a checkout experience engineered to minimise friction at the expense of visibility.

The tab is always being picked up by someone. The question is simply whether you can see the bill.