...doing their program.

Like - Dave Ramsey figured out some financial principles that helped him get out of debt and stay out of debt. But he got wealthy selling that info, not using that info.

How many others have a great secret they are willing to share part of for free with the hopes that you'll purchase the rest of their knowledge from them via some form of subscription service - which earns them much more than they ever earned by using the info they are selling.