Sellers Umbrella Audit of 100+ Amazon Brands Finds an Average 34% of Ad Budget Lost to Non-Converting Keywords Annually

SHERIDAN, Wyo. - EntSun -- Sellers Umbrella Inc., a boutique Amazon advertising agency & Official Amazon SPN & Ads Verified Partner, today released findings from a proprietary audit of its active client portfolio. Across brands managed in 11 Amazon marketplaces, the agency found that, on average, 34% of total annual ad budget is directed to keywords that generate clicks but produce zero attributed sales, pointing to negative keyword mismanagement as the single most preventable source of margin erosion in Amazon PPC today.

The audit ran from January through April 2026 across Sponsored Products, Sponsored Brands, & Sponsored Display campaigns, spanning categories from health and personal care to home, pet, & tools, with monthly ad budgets from $3,000 to $180,000 per account. The 34% figure reflects spend on search terms with at least 10 clicks & zero attributed orders, a standard threshold for identifying negative keyword candidates.

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Key findings: For a brand spending $10,000 per month, the waste equals roughly $3,400 monthly, or $40,800 a year, that could be redeployed to proven converting terms. In 78% of accounts, no structured negative keyword review had been performed in the prior 60 days; in 41%, negative lists had never been built beyond default setup. And 67% of wasted spend originated in Automatic Targeting & Broad Match campaigns, the two types most often left unoptimized after launch.

"When you look across an entire portfolio at once, the pattern becomes impossible to ignore," said Nirav Bhatt, Founder of Sellers Umbrella Inc. "Brands aren't losing budget because Amazon advertising doesn't work. They're losing it because non-converting search terms accumulate & never get cleared out. Every dollar in a zero-conversion term is a dollar that could go to a keyword that already converts. It's not a complex fix, it just requires consistent attention."

In response, Sellers Umbrella is offering its full Amazon PPC audit at no cost to qualifying brands. The audit covers search term analysis, negative keyword identification, campaign structure review, bid efficiency scoring, & marketplace benchmarking. Brands managing $3,000 or more in monthly Amazon ad spend are eligible to request one at Amazon PPC Management Services.

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About Sellers Umbrella Inc.

Sellers Umbrella Inc. is a boutique Amazon advertising agency & Official Amazon SPN & Ads Verified Partner with nine years of operation. The agency manages the full Amazon ad stack, including Sponsored Products, Sponsored Brands, Sponsored Display, & Amazon DSP, for a curated portfolio of brands generating more than $200 million in cumulative revenue across 11 marketplaces.