Regional pricing margin math: when more sales earn less
You cut the price by 40%. Sales go up by 50%. Sounds like a win, right?
Not necessarily. You now collect 60% of the old price on 150% of the old sales. Multiply those together and you're at 90% of your old revenue. Costs can make the result worse.
Before you launch a regional discount, calculate two thresholds. How many sales preserve revenue? And how many preserve contribution after variable costs? And yes, the gap can be big.
Start with the revenue threshold
Assume a product sells for $100 and you usually make 10 sales in a comparable period. Revenue is $1,000 before refunds, fees, and tax.
At 40% off, the new price is $60. You need $1,000 divided by $60, or 16.67 sales, to match revenue. In practice that means at least 17 whole sales in this example.
The formula is simple: required sales multiplier equals old price divided by new price. For a discount expressed as a decimal, divide 1 by the fraction of the original price that remains after the discount.
| Discount | Revenue-matching sales multiplier | Additional sales needed |
|---|---|---|
| 20% | 1.25 times | 25% |
| 40% | About 1.67 times | About 67% |
| 50% | 2 times | 100% |
This table assumes the same product and compares gross product revenue. It doesn't predict demand or include variable costs.
Then count what each sale costs
Imagine the $100 product has a $20 variable delivery cost and a payment fee of 10% of the collected price. These are invented assumptions chosen to make the arithmetic easy.
At full price, contribution is $100 minus $10 minus $20, or $70. At the discounted $60 price, it's $60 minus $6 minus $20, or $34.
To preserve contribution, you need $70 divided by $34, or about 2.06 times as many sales. That's roughly 106% more sales. Your 50% increase doesn't clear either threshold.
Contribution here means revenue left after the variable costs we've named. It isn't net profit. Rent, fixed salaries, software subscriptions, and other fixed expenses still need to be paid from it.
Where each sale's money goes
Full price: $100 collected
$70 left · $20 delivery · $10 fees
40% discount: $60 collected
$34 left · $20 delivery · $6 fees
To keep the same contribution: $70 ÷ $34 ≈ 2.06 times as many sales.
Digital delivery still has costs
A download may cost little to deliver, but the customer can still need support. A membership needs moderation. An AI product can generate usage bills after the purchase. Affiliate commissions and refund handling also belong in the calculation when they vary with sales.
Use a realistic estimate instead of assuming every extra customer is free. If support demand is uneven, calculate an ordinary case and a heavy-support case. You'll see how much room the discount leaves.
For refunds, prefer actual net receipts from your payment records once you have them. Be consistent about whether fees are already deducted. Subtracting the same fee twice can make a healthy offer look unprofitable.
Apply the calculation to the affected market
A country-specific offer doesn't discount every purchase worldwide. Run this analysis on the customers eligible for the offer, then check total business results separately.
Also distinguish new purchases from customers who would have bought at full price. You can't identify that counterfactual by looking at coupon redemptions alone. A comparison group is more useful than declaring every discounted sale incremental.
If you previously had no sales in a market, a percentage growth calculation isn't meaningful. Ask whether the new sales produce positive contribution and justify the work required to serve them.
What if you were getting zero sales before?
This is where the calculation needs some common sense. If you've never sold the product in a market, there isn't an existing revenue total to preserve. Going from zero to five orders doesn't have a useful percentage growth rate. You now have five orders to examine.
Using our $60 example, five sales leave $170 after the stated variable costs. That can be a useful contribution toward the business. But if finding and supporting those buyers required another $250 in work or advertising, the wider result is different. Include costs caused by the test, not just the ones that appear on the receipt.
Also check whether those buyers really came from a previously unserved audience. A code shared with full-price customers can turn some existing sales into cheaper ones. Your payment report alone can't tell you what each person would have paid without the offer.
You don't need a perfect model before trying anything. You need a model honest enough to catch an obvious loss. Start there, keep the assumptions visible, and replace estimates with actual costs as the orders come in.
Use a worksheet before changing the offer
Write down the original price, proposed price, per-sale costs, fees, expected refunds, and current sales volume. Calculate contribution per order for both prices. Divide old contribution by new contribution to find the volume multiplier you need.
If discounted contribution is zero or negative, more orders won't solve the per-order problem. Change the price, included usage, delivery model, or eligible product before expanding the offer.
The regional pricing calculator can help you explore country prices. Pair it with your own cost worksheet. Its suggested price doesn't know how many support calls your course includes.
Run the numbers for one discount before switching it on. If the price leaves enough room, try it with a small audience. More orders should help you keep serving customers, not leave you dreading the next support email.