How to Create and Sell an Online Course in 2026 (Zero Budget, Maximum Profit)

The online course market is expected to reach $400 billion by 2026, and creators can launch courses with zero budget using free tools like Loom, OBS Studio, Canva, and platforms like Gumroad or Teachable. The playbook covers topic validation, course structure design targeting a single specific outcome in 3–5 hours of content, and free hosting/selling strategies to achieve 90%+ profit margins.