You might want to consider finding an area closer to you in Indiana to try the methodology that you are interested in, work out the kinks, and then apply down here. 

It was one of those ancient in ground pools with a vinyl liner, cinder block walls and sandy bottom.  

It's by the Appraisal Institute, the appraisers themselves, more specifically the largest trade association of appraisers in America.THEY state that there is racism and bias in the appraisal industry.Freddie Mac gave numbers used in their study and detailed most of their methodology including the statistical formulas they used.

This was our first BRRRR property and honestly we went into it expecting the numbers not to be great when it comes to this methodology.

If the house is so old that it has ancient pipes that have never been serviced, or massive trees all around the house that could have roots burrowing into them, etc, etc.

Listening to a cable installer scream like a banshee after running into an ancient cat carcass in the crawlspace.Watching my realtor run out of a house we were looking at, gagging from the overwhelming smell of dog pee.

amazon > search on vacation rental or Airbnb > make sure books have  and lots of good reviews and not too ancient. 

I would like the next 2 units to be a BRRRR strategy, but I am open to whatever opportunity arises.Beyond 2020, I would like to incorporate the STACK methodology and begin to double down on the number of acquired units each year until I have reached over 30 units, at which point, it may be time to move into even larger MF.

I have generally avoided large-name brokerages because of the lack of flexibility and incompatible methodologies. 

But that takes a little time and practice; otherwise, you'll be like a chicken with your head cut off....running around making a mess of everything and ending up....well, in a very bad spot.Your goal(s) will determine your methodology, and your methodology will determine what actions you should be doing today, tomorrow, a week or a month from now.