G_Mulligan
Tour Rookie
1. No
2. I wouldn't pay a penny. But £40 if I was to stick a finger into the wind
3. Never, so free
4. No, I research what I'm doing wrong, and fix it with practice
Without sounding harsh, don't bother starting up a business in golf psychology.
The Ben Hogan method is admirable and I sincerely wish you the best of luck. There are however a number of techniques which can increase the quality of practice and show more improvement in a shorter amount of time.