How to optimize your Amazon biz with DSI

Billion Dollar Sellers · Feb 9, 2026 · 15m

Date: February 9th, 2026

Summary: Kevin King covers how to use Amazon's Downstream Impact (DSI) framework to find your highest-value product, Amazon's Q4 2025 earnings highlights, Rufus AI hitting $12 billion in incremental sales and what it means for sellers, an AWD vs 3PL cost calculator, TikTok's new Halo Performance Tool that tracks off-site Shopify sales, and Amazon opening its ad platform to AI agents via MCP.

Key points discussed:

How to calculate Downstream Impact (DSI) for your Amazon business using a 3-step process to find your "gateway drug" ASIN

Amazon Q4 FY2025: $213 billion…