There is tactics and strategy about how to open up maximum appraisal potential. 

I would check as best you can before you even contract, but also for sure once you do contract and have the documents in hand.While there are some places for $150,000, there should be relatively few of those any more, certainly in buildings that have long term potential. 

However, I still struggle to understand the art of estimating rehab costs. 

Sherman does seem interesting though because of the lower cost and growth potential.  

I think you can definitely run into a potential guest using that against you in the near future and opening the door for liability. 

For residential multifamily properties (1 - 4 units), can you use a home warranty to take care of the repair costs associated with rentals?

Does the cost per sqft account for electric and plumbing? 

All major flippers in town have heavily compressed ARV to accommodate for the potential of the downward slide to continue.

Here's an article with things to consider when selecting a cost segregation company.

So, you could potentially avoid paying income tax on all profits!