In the meantime, I would like to gain experience through employment with an existing real estate or property management company.Is there anyone out there that can provide me with some good advice/guidance as to the best and most practical route to achieve that goal?

Hey Steve we put on 2 monthly forums in Scottsdale. 1 for fix/flippers and the other for STR investors, no sales pitches or courses just a market update and networking with other professionals and service providers!

Happy to connect and provide some feedback if interested.

There are mortgage recast calculators online or you can reach out to your lender.P+I payment will go from 2155 to ~1800 given the numbers you provided.

Regarding a HELOC, most banks will only provide a HELOC up to 75-80% of the property value, so you may not be able to access a HELOC for a while.

Advise him in writing that - email AND via US postal system with proof of delivery required that the lease remains in effect as is and that you, again, recommend that he file a claim with the provider of his renter's insurance for any losses he felt were sustained. 

It’s growing steadily and has a mix of properties that fit well into a BRRRR strategy.

The reality is the opposite - if it's not in writing then the PMC doesn't have to provide the service or can charge extra for it!

Rehab costs, taxes, and interest during this phase increase the depreciable basis, providing long-term tax benefits.

Given your experience with RV parks and MHPs, you already have a strong foundation for managing mixed-income streams, which will be valuable here.