Both performing and not performing.  

As a bystander, you are limited in your ability to influence the outcome.

Banks can only take into account guaranteed income so not any performance based bonuses.

A forensic engineered cost segregation study is performed by a qualified construction engineer with a site survey followed by 4-6 weeks of number crunching and preparation of documentation. 

All,I have been heavily researching and performing due diligence to invest in local real estate.

 $18.50 a month, including escrows (performing or non performing).  

From my research, they vary on how well they perform but from a management standpoint it can be accomplished.One of the biggest concerns would be over saturating a specific market with too much inventory.

I'm looking for a good CPA in NYC area to help me perform tax returns and with ongoing tax planning.

Also AirDNA has some great tool to see how well your area performs.

But if you are talking about a unstabilized or low vacancy property, they generally are giving you the pro forma, which just means what the property should perform at.