The scammer was not able to delete my contact information however.

The name of the game in USA is the gov. is giving you money lower than inflation for 30 years for property  with 1:4 leverage that has huge cash flow and appreciate in 30 years.It almost like the gov. is trying to make you rich buy since one doesn't understand how to be richer with less effort, then one not able to take advantage of that.

I was not able to find any info in regards to their risks in case GF goes bankrupt.

I see there is a decent pool of somewhat distressed single family homes that can be BRRRR'ed for cashflow, but not able to find a whole lot in the way of 3-4 unit multi family properties.

That's a reflection of banks not able to make loans. 

What’s worse is that some people are not able to qualify for a conventional mortgage after losing a job during a severe economic downturn that ultimately removes refinancing as an option to increase their passive income right when they need it most.But what if there was a way to increase your cash flow over and over again incrementally over time as often as you like without restarting the clock on your mortgage payments or qualifying for a new conventional loan, and something that wouldn’t squeeze your finances with all the usual obnoxious refinancing fees?

I've got a high-paying job but I'm not able to scale THAT fast.

Everyone paid again until April when one tenant decided to not pay - he still has not paid and I am not able to evict him *yet* because the money that we are supposed to get to cover the unpaid rent is conditional on me not evicting for 90 days... .... 

If you sink the cash into paying those off, that money is not able too be leveraged any longer.

And I admire your desire to help.My step dad was in a similar position only at the other side, meaning he was 75 and not able to retire due to too many bills.