In $10 Million Instagram Funnel, Brian Mark shares the proven strategies he used to grow a thriving online fitness business without paid ads, complicated funnels, or a website. This book is a step-by-step guide for fitness professionals looking to attract high-paying clients, generate consistent leads, and scale using organic social media. Brian breaks down how to build a standout personal brand, create content that converts, and implement a simple system for lead generation and sales. Whether you're just starting or ready to grow, this book gives you the blueprint to build a six-figure fitness business with ease.