It all sounds very risky to me but IF I were to do anything of this nature I would:1.

Lots can happen to sis' share due to 'pig in a poke' nature of heir's equity in an estate (unknown  creditor claims, etc.).Q: if this were not your Brother's property, would you consider buying it?

You also didn't indicate whether you were targeting properties that needed work or they will be rather turn-key in nature. 

I have been reading everything I can get my hands on.I run a small  HVAC / home repair business and that is why I am thinking about getting into real estate investing, it seems like such a natural  transition fo for me.

Once you get all that overgrowth out, and restored its going to look incredible inside with all that natural light coming in.What potential! 

.- $275.00 Clean Ductwork- $93.19 Clean Walls- $52.28 Clean & Deodorize Carpet- $33.40 Ozone treatment That as just for the master bedroom, I won't go over everything, but the quote broke it down by room.

We have 9 natural gas furnaces in rental units.  

I just received the real estate disclosures and it lists the owner's mother died of natural causes in bed couple months ago.  

Instead Develop a system complete with a reliable team of attorneys, contractors, realtors (esp. if you're going to sell) etc. and then experienced natural growth.

It was and is a natural gas vehicle,,I paid about $5k for it,,it had about 30k miles, today it has 36k miles, and runs like new.