What is Return on Investment (ROI)?

ROI shows the efficiency of your spending. It's calculated as [(Revenue from Investment – Cost of Investment) ÷ Cost of Investment] × 100, expressed as a percentage.

Why ROI Matters for Amazon Sellers

• Helps determine if ad spend, inventory buys, or tools are profitable
• Allows comparison between different campaigns or products
• Guides budget allocation to the highest-return activities
• Reveals whether you're actually making money after all costs
• Essential for scaling sustainably without burning cash

How to Improve Your ROI

• Optimize PPC bids and keywords for better ACOS → higher ROI
• Negotiate better supplier costs to lower COGS
• Focus on high-margin products with strong conversion
• Reduce returns and fees through better listing quality
• Use data to cut underperforming campaigns fast

Monitoring ROI & Financial Changes

ACoS can fluctuate due to bid adjustments, increased competition, listing updates, price changes, or Buy Box ownership shifts. AMZMonitor continuously tracks ACoS-related signals such as price changes, Buy Box winner movements, and competitor activity, helping you quickly identify the root cause of performance drops or spikes. Real-time alerts allow you to take immediate action, protect profitability, and optimize campaigns before wasted ad spend occurs.