How to Audit Every Shopify Discount Before Launching a Promotion

How to Audit Every Shopify Discount Before Launching a Promotion

Referbro Team20 August 2026

A discount campaign should be treated like a launch.

Before publishing it, check the economics, eligibility, customer experience and measurement.

1. Define the objective

What is the promotion supposed to do?

  • Acquire new customers?
  • Increase AOV?
  • Clear inventory?
  • Reactivate customers?
  • Improve conversion?

If the objective is unclear, it becomes difficult to judge whether the discount worked.

2. Define eligibility

Write down:

  • eligible customers
  • eligible products
  • minimum spend
  • usage limits
  • start date
  • end date
  • first-order conditions
  • exclusions

Do not rely on the person who created the code remembering the rules later.

3. Check the economics

Calculate contribution before and after the promotion.

Then estimate how many incremental orders are required to justify the discount.

Revenue is not enough.

4. Test combinations

Test the promotion with other active offers.

Check the final customer price.

Do not assume the intended rule is identical to the checkout outcome.

5. Test the journey

Test:

  • mobile
  • desktop
  • guest
  • logged-in customer
  • qualifying cart
  • non-qualifying cart
  • excluded product
  • mixed cart

6. Check distribution

Where will customers receive the promotion?

  • Email?
  • WhatsApp?
  • Creator?
  • Affiliate?
  • Paid ads?
  • Homepage?

The distribution channel should match the eligibility rule.

7. Decide success metrics

Track:

  • redemptions
  • incremental orders
  • AOV
  • discount cost
  • contribution
  • new customers
  • repeat purchase
  • channel

If you cannot measure the campaign, you cannot confidently decide whether to repeat it.

8. Audit after launch

Compare planned vs actual:

  • discount cost
  • order volume
  • AOV
  • new customers
  • contribution
  • unexpected usage

This is where leakage often becomes visible.

Referbro's Discount Coupon Enablement Checklist is useful before launch. The Discount Leakage Detector can then be used as a post-campaign audit.

The best discount campaign is one you can explain economically after it ends.

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