Price starts with cost, but it cannot end there
Product pricing often begins with a simple idea: add a markup to cost and publish the result. That is a useful starting point, but it is not enough for ecommerce. Online orders carry payment fees, platform fees, shipping, packaging, returns, advertising, software, support, and discount pressure. A price that looks healthy against purchase cost can fail once the full selling path is included.
A better pricing workflow asks three questions. What does one unit truly cost to sell? What margin does the business need after channel costs? Will the market accept the price once positioning, shipping, quality, and alternatives are considered? The strongest price survives all three checks instead of relying on one generic markup rule.
Build a landed cost before markup
Landed cost is the complete cost of getting a product ready to sell. It can include supplier price, inbound freight, duties, inspection, packaging, labeling, prep, damaged units, and production time for handmade goods. If a seller only marks up factory cost, the missing costs will appear later as weak margin.
Use an average cost per saleable unit. If 1,000 units are purchased and 20 units are expected to be lost to damage, samples, or defects, the cost should be spread across the units that can actually be sold. This keeps the price from depending on a best-case inventory outcome.
Choose a target margin before a discount
A target margin is the profit percentage the order should keep after the costs you decide to include. It is different from markup. If a product costs $40 and sells for $80, profit before omitted costs is $40. Markup is 100% because profit equals cost. Margin is 50% because profit is half of the selling price. Confusing the two can create prices that miss the intended target.
Set a target margin for the selling context, not just the product. A direct-store product with paid social traffic may need more margin than a product that sells organically. A marketplace item with high fees or returns may need a higher list price or a different bundle. A digital product may have low unit cost but still needs to recover creation, support, and software expenses.
Account for fees and fulfillment
Add payment and platform charges before judging the price. Shopify sellers should model payment processing, possible third-party payment costs, subscription allocation, apps, and shipping strategy. Etsy sellers should account for listing, transaction, processing, shipping, and offsite ad scenarios. Amazon FBA sellers should model referral fees, fulfillment fees, storage, inbound freight, and ads by SKU.
Fulfillment can change the best price. A free-shipping offer may raise conversion while reducing margin. A bundle may increase order value but trigger a different shipping tier. A product with fragile packaging may need a higher return allowance. Treat these costs as pricing inputs rather than surprises after a sale.
Test the price with a break-even view
After choosing a candidate price, calculate the contribution margin: price minus variable cost per unit. Variable cost includes product, fulfillment, payment fees, marketplace charges, packaging, and any expected per-sale advertising or commission. Contribution margin is the amount available to recover fixed costs and profit.
If launching the product requires $3,000 in fixed work and the contribution margin is $15 per unit, the product needs 200 units to break even before profit begins. If the realistic launch volume is 70 units, the price, cost, offer, or fixed investment may need to change. Break-even turns pricing from a guess into a sales requirement.
Use market checks without copying competitors
Competitor prices are useful context, but copying them can be risky. Another seller may have lower freight, better supplier terms, higher repeat purchase, a different return rate, or a willingness to lose money while acquiring customers. Your price needs to fit your own cost structure and positioning.
Instead of copying, compare value. Does the product have better materials, faster delivery, stronger warranty, clearer instructions, more attractive packaging, or a bundle that solves a bigger problem? If the product cannot support the price needed for profit, the answer may be sourcing, bundling, positioning, or channel selection rather than simply lowering price.
A pricing workflow sellers can repeat
First, calculate landed cost per saleable unit. Second, add channel fees, payment fees, shipping, packaging, returns, and expected advertising to create a variable cost view. Third, choose a target margin and estimate the selling price required. Fourth, test break-even volume against the realistic demand for the product. Finally, compare the candidate price with market positioning.
Use the Markup Calculator to create an initial price, the Profit Margin Calculator to check the retained percentage, and the Break Even Calculator to see how many units must sell. Pricing improves when the same workflow is repeated with actual order data after launch.
Try these calculators
Use Ecom Profit Tools calculators to test sales, costs, fees, margin, and advertising scenarios with your own assumptions.