My question is what is the best way to go about this while still being respectful and not incurring any backlash?

I lost all respect for her and cut ties with her. 

I say this with all do respect (I don’t want to sword fight).

The appreciation values on the last 2 SFHs I bought in 2015 and 2017 are up $65k and $23K respectively.

It makes me respect his dedication for sure, but it was also a flag that he may have overestimated the hours he was getting on his application if he couldn’t afford the ride.

This is a point at which your tenants will probably either gain or lose a lot of respect for you depending on how it's handled.

I respect the biggerpockets community insight and the collective experience here is unrivaled. 

He's been managing the apartment complex for 20years and all of the tenants respect him and he's really good at keeping the riff raff in line. 

At least 50 percent of the assets of the business, valued at cost, must be invested in real estate which is managed or developed and with respect to which such entity has the right to substantially participate directly in the management or development activities.b.

A lot of forum members are very knowledgeable in their respective fields related to real estate investing, whether that is real estate sales, wholesaling, flipping, rentals, lending, self-directed IRA and Solo 401k investing, or tax and legal guidance.