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SKU rationalization

SKU rationalization is a review of the catalogue that cuts items whose sales do not justify the money, space and work they tie up.

How it works

Every SKU costs something to keep: stock, warehouse space, work on the listing. The review asks whether each item earns its place. The usual inventory method runs in six steps, from sales and stock data to a decision and a check of its result.

A store that sells through Google Ads has a second catalogue to review: the one in its ads. A product can sell steadily in the shop and spend money without sales in Shopping, or the other way round. Taking a product out of the ads is one decision; taking it out of the range is another. SKU rationalization for advertising stores shows where the inventory method goes wrong.

How GetProfit reads it

When the portal builds the recommended campaign structure, it leaves a product out of all campaigns once it has had 50 or more clicks and no conversions over 360 days. Products and labels marks items that burned budget with no sales as To remove and suggests excluding them from ads: they are candidates for removal from the catalogue. Items that spend without sales but have not yet reached that stage are Dormant.

Not to be confused with

  • Dead stock — inventory that has not sold within the expected period. It is one input to the review, not the review itself.
  • Zombie products — products that spend ad budget and bring no sale. Excluding them from the ads still leaves them in the range.

Right and wrong readings

  • Wrong: “No sale after a set spend means the product will never sell.” Right: some products like that sell later. In our study of 1.4 million products, a “switch off” decision was right for 88.1% of products that had spent $5+ without a sale, and for only 66.2% of those that had spent $500+.
  • Wrong: “A smaller catalogue will bring more revenue.” Right: GetProfit data shows no link either way. We grouped 899 store-months (June 2025 – June 2026) into narrow bands of ad spend change. Within each band, changes in the number of products active in ads were not linked to changes in revenue (correlations from −0.057 to +0.040).

Sources

  • What Is SKU Rationalization? Benefits and Implementation (2025) — Shopify, 14 January 2025: definition and six steps from data to action. Checked 2 October 2026.
  • GetProfit study: 1,404,808 products, 130+ stores, 13 months.
  • GetProfit data: 899 store-months, June 2025 – June 2026, products active in ads against revenue.