A seller with 30% ACoS and 8% TACoS is healthier than a seller with 15% ACoS and
By Anthony Nguyen 🟢 · June 7, 2026 · Curated by George's Blog
A seller with 30% ACoS and 8% TACoS is healthier than a seller with 15% ACoS and 20% TACoS. Every time.
TACoS = total ad spend / total sales (organic + PPC combined). It tells you how dependent your revenue is on advertising.
ACoS only measures ad efficiency in isolation. TACoS shows whether your ads are building organic momentum or just renting traffic.
Benchmarks that actually matter:
- New product → TACoS 15-25% is expected. You're buying visibility.
- Growing product → TACoS 10-15%. Organic sales are building.
- Mature product → TACoS 5-10%. Organic carries most revenue.
- Above 25% → dangerous territory. If you pause ads, revenue collapses.
The goal of advertising isn't low ACoS. It's low TACoS. You want every dollar of ad spend to generate organic ranking momentum that compounds over time.
Track TACoS weekly. If ACoS is improving but TACoS is flat or rising, your organic sales are declining. That's a red flag most dashboards won't surface.
The healthiest accounts I've managed have ACoS they're comfortable with AND TACoS that's trending down quarter over quarter. That's what compounding looks like.
AdsCrafted automates this across your entire account, bid optimization, search term graduation, placement adjustments, all through conversation → adscrafted.com