I met him at the car lot where I sell cars at and told me that if I applied the same discipline and professionalism that I do in car sales in real estate that I would make a lot more money.

Most disciplined commercial investors do it this way.It sounds like you're half way through things already but regardless you should read commercial real estate investing by Dolf De Roos.

Hold tight to your ideas and discipline in personal finance, and you will make decisions that resonate with that.2) Your income may be low enough to qualify your IRA for a Roth Conversion ladder (detailed here).

It shows the tenant has the discipline to manage money and save, and will pay you off down-the-road.

This is not very hard though and those disciplined enough to set up good budgets can probably do it on their own.  

Expect the unexpected, however, and be sure to bid with discipline, leaving enough margin to deal with any problems that may arise.

That's good discipline which is needed to be a successful investor. 

Is the FHA restriction only based on administrative discipline?

Doing business with wife is good and has its own side, but what truly amazed me was the target of savin 1.5yrs income.... true discipline and you will need a lot of this in REI as am learning now..Congratulations!!!

Keep in mind that it does take some discipline to do this online, at home, with all of you other responsibilities vying for you attention.