EP4P Insights

Measurement and attribution

Returns and cancellations can change the meaning of ecommerce ROAS

Review the revenue retained after order adjustments and the product patterns behind them before increasing advertising investment.

A purchase recorded on the day of the order may later be cancelled, returned, or partially refunded. If those adjustments matter to the business, the initial advertising revenue figure is not the complete commercial result.

Follow the order beyond the confirmation page

Start by identifying the store’s order lifecycle. When is an order considered accepted, fulfilled, cancelled, or refunded? Which systems receive those changes, and when do the reports reflect them? Different reports may continue to describe different stages of the same order.

Use consistent transaction references so adjustments can be connected to the original purchase. A partial refund needs a different interpretation from a full cancellation, and both can affect product-level conclusions.

Look for patterns that advertising can act on

Review whether particular products, variants, messages, or landing-page claims are associated with an unusual level of returns. The cause may sit in product quality, fit, delivery, or expectations rather than targeting alone.

For example, an ad that makes a product appear compatible with a wider range of uses than it actually supports can attract orders that later disappoint. More purchases at the top of that process do not make the message commercially sound.

Allow time for the evidence to mature

Recent cohorts may have had less time to generate returns than older ones. Compare them carefully. A rapid increase in sales can temporarily improve a revenue report before the downstream adjustments become visible.

This does not mean waiting indefinitely before making campaign decisions. It means separating early indicators from a more mature view and recording the uncertainty when deciding how quickly to scale.

Agree the partnership treatment clearly

A performance-fee agreement should address relevant order adjustments and the timing of reconciliation. Do not assume a platform’s default revenue report defines how the commercial calculation works.

At EP4P, the fee follows the agreed set of sales directly tracked to our ad clicks. Both sides benefit when the rules and records are understandable. Reviewing retained revenue, contribution, and customer experience alongside initial purchases gives the team a better basis for deciding which products and messages deserve more advertising investment.