Also - here's a couple articles you might enjoy:The 21 Best Real Estate Investing Books EverHow to Start Investing In Real Estate at a Young AgeOh - and if you haven't yet- be sure to setup some "Keyword Alerts."

I look forward to the many informative discussions, articles and inspirational stories that I have already witnessed here at BP.

Found this article about it: http://www.motherjones.com/environment/2013/01/lead-crime-link-gasolineWhile this article focuses on studies with leaded gasoline, the interview I watched spoke about abatement in buildings and how expensive it is going to be but that it's a necessary cost.

I submitted a article from BP to reddit today. lets all take a second and upvote it and start a discussion there.

I was reading an article lately and then I started this calculation.

There is an article on this site about that.

Hi, @Salvador Marin - we focus mainly on residential property, as a business, but market fundamentals are the same - here are a couple of articles I wrote for BP, a couple of years back -Part 1 -http://www.biggerpockets.com/renewsblog/2012/06/29...Part 2 -http://www.biggerpockets.com/renewsblog/2012/07/06...

This is a great place to start - read the articles, ask questions and learn as much as you can.

Read different articles about tenant screening. 

Do you have an article on why you went from flipping to holding?