Guide · Unit economics

Check product margin before a discount or promotion

A price decision should be made before joining a promotion. Unit economics shows what remains from one sold unit after variable costs.

Reviewed: SellerStrat Editorial Team
Practical materialNo invented outcomes or hidden conditions.
Short answer

Unit economics calculates profit per SKU after commission, logistics, product cost, advertising and tax, then compares the result with the target margin.

Check product margin before a discount or promotion
Calculation example

SKU margin example

The example checks one product before a discount or promotion.

2,200 - 374 - 180 - 850 - 220 - 132 = 444 RUB
Price
2,200 RUB
All variable costs
1,756 RUB
Target margin
20%

Profit: 444 RUB. Actual margin: 20.2%.

Illustrative calculation. Replace prices, rates and costs with current SKU inputs.

Calculation inputs

Use the price after discount and the actual category and fulfillment fees.

  • product and packaging cost
  • marketplace and payment fees
  • logistics, storage and returns
  • advertising per sale
  • tax and other variable costs

Before a promotion

Calculate the base case, promotion price and minimum acceptable price. Compare profit and margin, not only the discount percentage.

Signals that require action

Negative profit requires a pricing pause or an input check. More sales with lower total profit can indicate unprofitable growth.

SellerStrat workflow

Compare price, discount, product cost, profit and target margin by product before changing the offer.

Frequently asked questions

When should unit economics be recalculated?

After price, fee, logistics, product cost or advertising changes and before a major promotion.

Evidence and sources

How this material was reviewed

SellerStrat Product and Data TeamProduct, analytics and integration specialists

Recalculated the SKU example and checked price, discount, cost, fee, logistics, profit and target-margin fields.

Product version: SellerStrat 2.0
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