My area is relatively low crime, but had one place that someone broke a window to get in.... probably a homeless guy looking for a place to sleep....got scared when neighbor turned light on.I put in a SimpliSafe unit... portable, easy to set up, multiple options- you can use a webcam and get alerts on your phone and future tenant can pay for full service if they want. 

Would love any leads to help me solve this problem even if it means making some phone calls.

.: I have similar result, only like 30 - 40% of data yield valid phone numbers.

Maybe mobile home parks?

Once you sign up there’s a ton of other systems (Freedomsoft, Prycd, Mailers, LLC, phone lines etc)he recommends that you get in order to do his program successfully.

When I spoke with BFI on the phone earlier this year, it seemed like they were concerned with licensees engaging in unsupervised activities like private and commercial lending.

It is just like being in sales doing the prospecting, need to pick up the phone and call them.

Find out who has good Google Reviews (and responds to them), find out who answers their phone, find out who has a polished and professional website, etc. 

Interview them by phone or during the showing to see if they will meet your basic standards.

To connect with investors you will have to move beyond just digital - you will have to connect as much as possible on the phone and face-to-face.