By following a disciplined guideline such as this, you never buy trash properties that run high costs, you never buy excessively costly properties that the average american cant afford to buy from you if you chose to liquidate, and you maintain a profit margin of your desired end point.Obviously as well, you can tell that you are more limited in the types of properties that you can buy, and where you can buy for obvious regions, but in higher populated regions, rents are always more expensive simply because of supply and demand.

I tried to do online and though the material is fine, I'm not disciplined enough and it took too long.  

Other wise BP would have no members if there was not the dream of real estate rich's.Most that have succeeded in the industry has to put in some apprenticeship and or had good paying jobs and the discipline to not trash their credit and save some money so they can operate..

After you get a few it begins to snowball if you are disciplines and diligent.Best of luck!!

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.