I remember hearing that in a podcast and the psychology of it is fascinating. 

So it's all just psychology, credit cards have been irresponsibly used for so long that any person looking to get ahead has been trained to think to stay away from them or you will be drowning in debt before you know it.

I also like the psychological benefit of asking what the tenants want.

Another thing is, use a little psychology.  

So, in comes the acceptance letter for the University of Houston's Psychology Ph.D. program, my ticket to financial freedom.

Psychology.)If you were to fix everything that needed fixing, what would those things be?

What other psychological ailments are endemic to business owners that you can think of?

The markets are highly efficient, so once the certainty and tangibility of the facility are there, buyer's psychology will kick in and drive demand, but it will likely be too late for most investors.  

I'm open to self-help books, books of human psychology, specific real estate investing, building habits, etc.

They're the psychological mechanisms of shame that will keep you broke more effectively than any others.