Latest / Billion Dollar Sellers
How to stop paying for Amazon software tools
Thursday 19th of March 2026
Summary: Kevin King breaks down how Amazon sellers can access their own data for free using the SP-API as a private developer, and how to build custom tools with vibe coding, Claude Code, or a hired developer. He also covers Amazon's new AI-powered Interests feature, a PPC case study from Sophie Society, Jason Fladlien on the Marketing Misfits, and a cash flow solution for scaling sellers called Liquid Inventory from eCapital.
Key Points Discussed:
Amazon's SP-API pricing change and how to access your own seller data for free as a private developer
Building custom…
The skinny
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