Also remember that there's a psychological component to all of this.

I just read "Start with Strategy" by Dave Meyer and I would say that the concepts make sense for the most part but things don't "click" in my brain like they do for psychology.

It makes me wonder if there is a DSM for persons who believe they are qualified to make psychological diagnosis for a person based solely upon what they have seen or read on that person via selected media. 

It will be interesting to see how the psychology plays out.

Understanding the psychology behind effective communication4.

A lot of positive reviews from these mentors/gurus comes from people who psychologically feel the need to justify why they parted with thousands of dollars even tho deep down they know they were duped.If these gurus were really successful, they would be out doing deals, not selling courses.

The fear of that 45 days is much more psychological than it is real.  45 days from the closing of the sale is actually more like 3 months from going into contract for the sale to find your next property. 

After 12 years of accepting my full time investor lifestyle - with high income and liquidity events some years and no income others, my wife told me she was burnt out on the psychological ups and down and asked if I would consider just getting a job with a steady paycheck.  

English, History, Fine Arts, Psychology , Sociology, Gender Studies...).

It wouldn't be even close.Human psychology.