A discount costs more than it appears because it comes entirely out of margin. On a product with a thirty percent margin, a ten percent discount removes a third of your profit on that sale, which means you must sell substantially more just to stand still. Owners who work that out first discount far more selectively.
There are situations where it makes sense, and they are narrower than most businesses assume.
Do the arithmetic first
Work out what a discount does to margin rather than to price. The smaller your margin, the more damaging any discount is, and the more extra volume it must generate to be worth doing.
Then ask whether the customer would have bought anyway. Discounting to people who were already going to buy is simply giving money away, which is what most blanket promotions do.
When discounting genuinely works
Clearing slow-moving or short-dated stock, where recovering some cash beats none. Winning a first order from a customer likely to return at full price. Rewarding volume commitments or upfront payment, where you gain something in exchange.
The common thread is that you receive something back: cash flow, a relationship, or committed volume. A discount given for nothing is a price reduction you have not admitted to.
Where it does real damage
Regular discounting trains customers to wait, and they stop buying at full price. It also signals the original price was never justified, which is particularly damaging at the premium end.
Discounting to match a competitor is a race that whoever has more capital wins. Competing on reliability, speed or specialisation cannot be undercut the same way.
Better alternatives
Add value instead of cutting price: faster delivery, extended support, a bundled extra, or better terms. These cost less than the equivalent discount and do not reset expectations.
Create a distinct lower-priced offering with less included rather than discounting the main one. And remember that advertised savings must be genuine, since misleading price claims fall under the code administered by the Advertising Regulatory Board, and consumer protection law governs how prices are represented.
Frequently asked questions
Why is discounting more expensive than it looks?
Because it comes entirely out of margin. On a thirty percent margin, a ten percent discount removes a third of the profit on that sale.
When does discounting make sense?
Clearing slow or short-dated stock, winning a first order from a likely repeat customer, or rewarding volume and upfront payment.
What is the main risk?
Training customers to wait for the next discount, after which they stop buying at full price.
Should I discount to match a competitor?
Rarely. That contest is won by whoever has more capital. Compete on reliability or specialisation instead.
What works better than a discount?
Adding value that costs you less than the discount would, or creating a distinct lower-priced offering with less included.
Further reading
Originally published in January 2018. Updated September 2026 into practical guidance on when discounting helps and when it damages a business.
