We have an in house risk assessment system that includes credit, property value and other factors to score a loan.

These are 1930 buildings with old plumbing and electrical systems.

Did you get a sprinkler system? 

IMHO Have campaigns for phone text email follow upHave a phone system Have a text system Have an email system Have chat both external and internal Have webforms Have RVMHave conference roomsHave file storage Have a CRM attached and seamlessly churning data  I use calltext.com however I also own it. 

As Jay mentioned, massive power requirement that will not get cheaper in time, and along with large water requirements for cooling the rack systems, so targeting locations that provides these necessities is key.

Nobody will ever respect you for the blood, sweat, and tears you will go through dealing with all of the pain and agony of trying to navigate such a ridiculous system.

Each unit in teh building has their own master water shutoff valve, so I can't imagine it will be that difficult to get some hardware + automated billing system through someone.

I would make sure they have great systems in place and have great communication with you.

Not trying to cheat the system, just trying to understand what I'm looking as I consider real estate options.Separately, would something with an ADU be considered a multifamily?  

Almost feel like a roll of the dice and you just gotta pray you don't run into a tenant that can game the system and this case even have more fuel to their fire since they are unpermitted.