How Amazon PPC Optimization Reduced ACOS by 7.6% While Increasing Sales by €15K+
Overview
Many Amazon sellers assume that lowering ACOS requires sacrificing sales. In reality, the right Amazon PPC optimization strategy can improve efficiency while scaling revenue.
This case study demonstrates how a structured, data-driven approach transformed advertising performance without increasing spend significantly.
The Challenge: High ACOS Limiting Profitability
Before optimization, the account was generating solid revenue but lacked efficiency.
- Sales: €70,833.59
- Ad Spend: €33,827.08
- ACOS: 47.76%
At this level, nearly half of the revenue was being spent on ads, significantly impacting overall profitability.
Strategy: Data-Driven Amazon PPC Optimization
To improve performance, a focused PPC optimization strategy was implemented:
- Search Term Mining
Identified high-converting keywords and eliminated irrelevant traffic. - Negative Keyword Implementation
Reduced wasted ad spend by filtering non-performing queries. - Bid Optimization
Adjusted bids based on real performance data to improve efficiency. - Budget Reallocation
Shifted spend toward high-performing campaigns to maximize ROI.
Results: Increased Sales with Lower ACOS
After optimization, the account showed strong improvements in both efficiency and growth:
- Sales: €86,352.07
- Ad Spend: €34,636.24
- ACOS: 40.11%
Key Improvements:
- Sales increased by €15K+
- ACOS reduced by 7.6%
- Higher efficiency with controlled ad spend


Key Takeaway
Amazon PPC success isn’t about increasing ad spend.
It’s about making smarter, data-driven decisions that improve efficiency while scaling revenue.
Need Help with Amazon PPC?
If you’re struggling with high ACOS or underperforming campaigns, a structured optimization strategy can significantly improve your results.
Let’s connect and discuss how to scale your Amazon business profitably.
