10 Minute

Lower Spend. 10.16x Blended ROAS

September 29, 2026
Lower Spend. 10.16x Blended ROAS

Performance Snapshot

  • Monthly sales moved from $25,730.71 to $24,273.20.
  • Revenue declined by 5.7%, rather than collapsing under tighter advertising control.
  • Blended ROAS improved from 4.62x to 10.16x.
  • Weekend budget controls were later introduced to reflect weaker demand periods.

The Business

The client sells sports and institutional-use products through Amazon US. The catalogue serves both direct shoppers and organizational buyers, creating uneven demand across products and days of the week.

The Real Problem

The account needed to reduce advertising pressure without causing a disproportionate decline in total revenue. Historical performance had already weakened, with units falling from 576 to 440 and conversion rate moving from 6.32% to 5.24%. Simply switching campaigns off could have reduced visibility and made the sales decline worse.

What We Found

  • Advertising efficiency could not be judged from ACoS alone.
  • Demand and conversion differed across products and time periods.
  • A complete advertising pause carried more visibility risk than controlled budget reduction.
  • The account required separate monitoring of total sales, ad sales, spend, conversion, and blended return.

What I.E.RARE Changed

The approach focused on spend control rather than complete withdrawal. Campaigns and products were reviewed according to their contribution, and budget caps were used during lower-demand periods. The objective was to preserve commercially useful visibility while reducing unnecessary advertising exposure.

Before and After

MetricBeforeAfterChange
Monthly sales$25,730.71$24,273.20-5.7%
Blended ROAS4.62x10.16x+5.54x
Revenue retainedBaseline94.3% of prior-period salesControlled decline

How the Strategy Developed

The account was first evaluated for historical sales and conversion deterioration. Advertising decisions were then assessed against total revenue rather than campaign return alone. Budget controls were introduced selectively, including lower weekend caps, while performance remained under review.

The Result

Blended ROAS more than doubled while the account retained 94.3% of the previous period’s revenue. Sales still declined, so this is not presented as a pure growth story. It is a case of materially stronger efficiency with a comparatively controlled revenue reduction.

What Made the Difference

  • Avoiding an abrupt full advertising pause.
  • Matching budget pressure to demand conditions.
  • Tracking blended performance alongside campaign metrics.
  • Reporting the revenue trade-off honestly.

Evidence

The figures are based on supplied monthly business and advertising summaries. Client identity and product-level identifiers have been removed.

Key Takeaway

Reducing Amazon ad spend is not successful merely because ACoS falls. The real test is how much profitable revenue remains after the reduction.

Frequently Asked Questions

Why not pause all advertising when sales are weak?

A full pause can remove visibility from products that still generate useful demand. Controlled reductions allow performance to be observed with less disruption.

Is a 5.7% sales decline acceptable?

That depends on profit, inventory, cash flow, and the amount of spend reduced. The trade-off must be evaluated commercially.

Why use blended ROAS?

It shows the relationship between total account sales and advertising spend, helping reveal the broader business effect of PPC decisions.

Related I.E.RARE Service

I.E.RARE’s Sponsored Ads Management service focuses on efficient growth, controlled testing, and the relationship between advertising and total marketplace revenue.

Related Case Studies

  • 38.3% Sales Growth. 12.31x ROAS.
  • Fragmented Campaigns. One Clearer System.

About I.E.RARE

I.E.RARE helps ecommerce businesses make advertising decisions that reflect revenue, conversion, inventory, and profit rather than isolated dashboard metrics.

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