Pricing
How to Run Discounts Without Destroying Margin
Use sale prices, coupons, bundles, and thresholds without turning profitable products into weak orders.
Last updated: July 17, 2026 | Reviewed by the Commerce Tally Editorial Team
Why This Matters for Ecommerce Sellers
Online sellers often make decisions with incomplete numbers. A product may look profitable before marketplace fees, payment processing, shipping, returns, discounts, and inventory timing are included. This guide explains the practical thinking behind the calculator inputs so the result is easier to trust and easier to challenge.
Use the guide as a planning aid, not as accounting, tax, legal, or marketplace policy advice. The best approach is to calculate an estimate, compare it with your actual statements, and update assumptions whenever costs, rates, or policies change.
Discounts reduce revenue immediately
A discount lowers the sale price, but many costs stay the same. Product cost, packaging, fixed payment fees, handling labor, and some shipping costs do not disappear because the customer paid less.
Before running a discount, calculate the new profit per order.
Use discounts for a clear purpose
Discounts can clear slow inventory, encourage first purchases, reward subscribers, increase order value, or support seasonal campaigns. They are weaker when used only because competitors are discounting.
A clear goal makes it easier to judge whether the campaign worked.
Protect low-margin products
Some products cannot support deep discounts. Apply exclusions, bundles, or thresholds when needed so promotions do not create unprofitable orders.
A smaller targeted discount can outperform a broad storewide discount if it moves the right inventory.
Measure after the sale
Review revenue, margin dollars, average order value, return rate, and repeat purchase behavior after each promotion. A discount that increases gross sales but lowers total profit may not be worth repeating.
Keep notes so future promotions improve instead of starting from scratch.
Frequently Asked Questions
Is a 20 percent discount always safe?
No. Safety depends on margin, costs, shipping, and whether volume increases enough.
Are bundles better than discounts?
Bundles can increase order value and fee efficiency, but they still need margin checks.
Should I discount old inventory?
Often yes if holding costs and cash constraints make a markdown better than waiting.
Conclusion
Good discounts are intentional. Calculate the sale price, check margin, define the goal, and measure profit after the campaign.