I've been quoted Bamboo by multiple agents and online services, but I'm steering clear of that one. 

There is also Pipeline Database that includes everything residential, with 4 or more units planned (not yet in DOB) and under construction (in DOB) in the five boroughs of New York City.https://nancypackesinc.com/nancy-packes-data-services/

I’d say that attending a training seminar/mentor/YOUTUBE videos, etc and trying to put a deal together based on that information makes putting the deal together a one in a hundred shot.  

Based on your goals, experience level, and my assumption that high earning w-2s tend to be demanding of your time, I actually think that there are better ways for you to offset your w-2 income.

My last preparer ghosted after 4/5yrs service(apparently screwed a bunch of people).

And yes, the payments are usually handled via a loan servicing company for a minimal fee to the seller. 

So I called adult protective services.

I absolutely would not recommend that you attempt to limit who you are renting to based on their level of education.

Have the agent you are working with look at the Reallist on the mls, get the name of the servicer for the loan2.

Lake City Servicing and Cogo Capital.