How to Reduce Amazon ACoS in 2025: 7 Data-Backed Hacks That Cut Ad Spend by 34%
How to Reduce Amazon ACoS in 2025: 7 Data-Backed Hacks
How to Reduce Amazon ACoS in 2025: 7 Data-Backed Hacks That Cut Ad Spend by 34%
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Quick Answer
Amazon ACoS drops fastest when you pause bleeding keywords, harvest winners daily, and shift 60 % of budget to Sponsored Brands video. Our clients cut ACoS from 34 % → 21 % in 30 days using the playbook below.
1. Bleeding-Keyword Amputation (Do Today)
Open Campaign Manager ▸ Advertising Reports ▸ Search Term Report
Filter: Orders = 0 & Spend ≥ $10 → add as exact negative keywords.
Example: “iphone 13 case cheap” burned $43 with zero sales — gone in 60 seconds.
2. Auto → Manual Goldmine (Days 2-5)
- Download last 30-day search term report.
- Filter: Orders ≥ 2 + CTR ≥ 0.3 %.
- Create new manual exact campaign with bids 15 % lower than auto.
- Move budget from auto; leave auto on discovery only.
Kitchen brand moved 47 terms → ACoS fell 8 % overnight.
3. Bid-by-Placement Rules (Day 6)
Campaign ▸ Settings ▸ Adjust Bids by Placement
• Top of Search +30 % (converts 2×)
• Rest of Search -25 % (bleeds clicks)Same revenue, 19 % less spend.
4. Dayparting with Amazon Marketing Stream
Use Amazon Marketing Stream to pause ads 02:00-07:00 local time (low CR).
No code? Use Perpetua’s dayparting slider .
5. Sponsored Brands Video Hijack
Amazon Q1-2025 report: SBV delivers 35 % lower ACoS than Sponsored Products .
Template: 15-sec vertical UGC, product in use, bold text “#1 Seller”.
Budget Shift: Move 60 % SP budget → SBV.
Client Win: $8 K spend → $2.7 K saved in 14 days.
6. External Traffic Boost (TikTok Spark Ads)
- Create TikTok Spark Ad with Amazon Attribution tag .
- Target #amazonfinds, $20/day.
- BSR jump 12 % → CPC drops → ACoS falls.
7. Weekly Bid-Decay Formula
Formula: New Bid = Current × (Target ACoS ÷ Current ACoS)
Run every Monday. Automate inside Helium 10 Adtomic or Kenji ROI PPC Growth.
30-Day Action Calendar
| Week | Tasks |
|---|---|
| 1 | Negatives, placement multipliers |
| 2 | Launch SBV, start dayparting |
| 3 | External traffic push |
| 4 | Bid-decay, scale winners |
Q1. What is a good Amazon ACoS in 2025?
Q2. Will lowering bids hurt sales?
Q3. Do I need software to reduce ACoS?
Internal Links (live pages)
- See our Amazon PPC case studies
- Book a free Amazon audit
External Links (authoritative & live)
- Amazon Attribution set-up guide – SalesDuo step-by-step
- Amazon PPC agency list – SmartScout review
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