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What a Discount Really Costs You

A discount reduces your profit by more than the discount percentage, because it comes entirely out of your margin. A 10% price cut can mean a 50% profit cut.

Direct answer

A discount reduces your profit by more than the discount percentage, because the discount comes entirely out of your margin, not out of the cost. A 10% discount on the price can mean a much larger cut to what you actually take home per sale.

Worked example

The padlock again: cost ₵80, normally sold at ₵100 (₵20 profit, 20% margin). Now offer a 10% discount.

Original price / profit₵100 / ₵20
Discounted price (10% off)₵90
Cost (unchanged)₵80
New profit₵10
New margin11.1%

The price dropped by 10%. The profit dropped by 50% — from ₵20 to ₵10. That's because the entire ₵10 discount came directly out of the ₵20 profit; the ₵80 cost didn't change at all.

What this means for volume

To make the same total profit at ₵10 per unit that you made at ₵20 per unit, you'd need to sell exactly twice as many units. A discount that seems modest on the price tag can require a large, often unrealistic, jump in sales volume just to break even on the decision.

This doesn't mean discounts are always a bad idea — clearing dead stock, winning a large order, or building a repeat customer can all be worth a lower margin. It means the decision should be made with the real number in front of you, not just the percentage off the price tag.

A quick way to check any discount before offering it

Profit After a Percentage Discount
(Original Price × (1 − Discount %)) − Cost

Run your own numbers through this before agreeing to a discount — especially a customer's request for "just 10 or 15% off," which sounds small but rarely is, once you see it in cedis rather than percent.