Discount Fatigue: When Sales Start Costing More Than They Bring In

I was once toying with the idea of a back-to-school sale for COR Silver, my skincare brand. Sales had been steady, but I knew a good discount would give us a bump. And then I stopped myself. Discounts are like sugar hits. They spike revenue but leave your margins jittery and your customers expecting the next fix.

And here's the other danger: run sales too often, and you teach your customers to wait for them. Instead of buying when they need your product, they'll hold off until the next "20% off everything" email lands in their inbox. You've built your own discount-addicted audience.

When sales are soft, founders are often tempted to roll out another promotion because it feels proactive and easy to execute. Before reaching for the promo code generator, it's worth asking five questions.

Five questions before you run a sale

1. Will this sale grow my customer base, or just train my regulars to wait for discounts?

2. Does the margin after discount still cover COGS, ad spend, overhead — and owner's pay?

3. Am I selling inventory I actually need to move, or just chasing a number?

4. Is this the best use of cash flow right now, or would a smaller, targeted offer work better?

5. What's my post-sale plan to keep customers buying at full price?

When complexity kills conversions

I once created a promotion so elaborate that customers needed a decision tree to work out which option was best for them. Different discount tiers, bundles, time limits, and a bonus gift above a certain spend threshold.

It looked beautiful on paper. In reality, it created analysis paralysis. People couldn't work out which option was best, hesitated, left their carts, and didn't come back until after the sale was over.

A discount is supposed to lower friction, not add complexity. Customers don't want homework. They want the deal and a quick checkout.

The margin maths

Say you normally sell a product for $50 with a $30 landed cost (COGS plus freight). Your gross profit per unit is $20 — a 40% margin. From that $20, you can allocate to your Profit First accounts: owner's pay, profit, tax, OpEx.

Now offer 20% off. The sale price is $40, but the cost is still $30. You're down to $10 gross profit per unit — a 25% margin. That's half your usual profitability. If your ad spend, fulfilment costs, or customer service time also increase during the sale, you might be in the red — even if your top-line revenue looks great.

The bottom line

Discounts aren't evil. They just need a purpose beyond "because everyone else is doing it" or "because sales are flat."

If you can't clearly define what the sale is meant to achieve, and how you'll measure it, you're giving away margin for the sake of activity. Run them too often and you risk building a customer base that only sees your product as worth buying when it's marked down. That's a race to the bottom — and you'll lose more than just margin.

The simplest offers convert the best by removing friction, thereby protecting profitability.