I founded Northmark Advisory, where I developed the Amazon Growth Diagnostic (AGD)—a structured methodology for identifying what's limiting an Amazon business's growth and what to fix first. Unlike traditional audits that list every possible issue, the AGD evaluates each finding through a defined evidence framework, ranks opportunities by business impact, and assigns a confidence level to every recommendation. I don't provide PPC management or listing writing. I help Amazon sellers make smarter, evidence-based decisions before investing more in advertising, inventory, or outside services.... Read more