Amazon will auto-deduct ad costs from seller proceeds on April 15, 2026 — a cash‑flow playbook for agencies and sellers

Amazon has changed how it collects advertising fees: starting April 15, 2026 ad costs will be deducted from seller disbursements before payouts. This change erases the informal 30–60 day cash buffer many sellers and agencies relied on. Here’s a tactical playbook (budgeting, attribution, billing reconciliation, and short‑term campaign triage) agencies and e‑commerce teams must run this week to avoid payout surprises and protect margin.