I am only familiar with the contract in my state but items seller agrees to do based on inspection findings are their responsibility unless spelled out differently.  

Hi all! Excited to join the BP community.
About myself - I am a principal of a RE development company and co-founder of an proptech company. 
On the RE side - I own/developed 2,000 residential units across the Unite...

It varies a lot and depends on the vintage of the property and your tenant base. 

I believe it's because the property is being sold "as-is," and they are unwilling to make repairs or negotiate based on findings.

A great REALTOR will help you gather rental history and the cost to own and show you good sites for pulling rental projections, but you will need to do your own calculations.Everyone's mileage varies.

Those tend to be the neighborhoods that are gentrifying.Unique stuff to Pittsburgh I would say is don't go based on zip codes since one zip code can be composed of multiple different areas/neighborhoods.

The cost of a cost segregation study varies but typically ranges between $1,000-$15,000.

When I looked at prices recently they look like they've gone up quite a bit but I know they vary a lot depending on the neighborhood. 

This is going to vary widely depending on the strategy and real estate asset class.

Just by having those two traits they are in the top 25%, based on my experience.