There is a certain mentality needed to be successful in life.

Ultimately, wife could use the entire building space for a mental health co-operative.

Yeah, I've heard about that Texas mentality thing and was a bit concerned about that.

Stay away from a scarcity mentality, where if someone has to win, then another has to lose.I love this stuff!!!

If Edison stopped trying to invent the lightbulb after 1000 tries, our houses might smell of kerosene still.Start learning the following:1 - How money works...for you...not the other way around.2 - How to present yourself to REA's, so they want to work with you.3 - How to do market analysis.  20 minutes is a "mental" restriction, and has no bearing on if/where you invest.4 - Think positive, act positive, be positive.  

One of the things my mother always mentioned to me was to beware of the "grass is greener" mentality. 

(Some weeks ago I saw Josh Dorkin speak at the Denver Founders Meetup at Galvanize and made a mental note to check this out.) 

I think that mentality goes a long way regardless of what business you are in...

One more suggestion....80% of the podcasts guests say that Rich Dad, Poor Dad is one of their favorite books (quite a mental game changer).  

@Derek Daun  I think that there is an interesting mentality regarding claims and insurance.