Digital keys, Nests, etc? 

Most people should have online application where you can do everything digitally and don't need to go into the bank. 

Expect rates in the upper single digits with a few points and interest only payments during the loan term of 12-18 months).    

But I would still advocating visiting their offices and speaking with the principals to know that I am dealing with real people with a real presence. 

I don't want to call around because I don't want to get raked over the coals and I also want to learn how it's done.And where can I get this "Revenue Number" that's supposed to be like a 10-digit EIN or something?

You can probably hit double digits here if you just stay patient for the right deal. 

Buying everything I can, and providing clients with double digit  net caps.

Due to the "low" number of units you can't afford having a full time person manage the property so the systems and regional presence of the PM company is going to be critical.If they have 300 units within a few mile from the property they will have people readily available to come to the property for maint. calls or showings.

I´ve always been money motivated and I learned at a young age that I had a strong presence of entrepreneurship all throughout my personality, my body and my choices.

It has its limitations, in that their Housing Price Index is based on the movement of single-family properties with mortgages purchased by Fannie & Freddie Mac, but it does go back to 1975 (where available), by Zip Codes (scroll down on the above link till you see "Five-Digit ZIP Codes" and download the Excel file.