How to Do a Google Ads Scaling Audit the Right Way in 2026

Most Google Ads audits check for broken tracking and policy violations. They confirm the account is healthy. What they don't tell you is whether doubling your budget will double your revenue or destroy your margin. A scaling audit asks a different question: how much more can this account spend profitably? This guide walks through every layer, from structure and bidding to incrementality and profit metrics, so you can find the headroom hiding in your account.