I then thought of the idea to offer they a fixed rate if they private lended me cash on a short term (5-10 year) period.

If they are in the lease term then they are responsible until it expires.

@Andres Ruiz decades long debate about which lease term is better!

@Renzo Roffmann property taxes alone are not a reason to sell.RE investing via rentals is a long-term process.Advise that you wait a bit longer and really work the property before making a hasty decision.Can you also STR the lower unit?

I do large renos, short term (AirBnB / VRBO) and Mid term (traveling professionals) rentals.Have so much fun.Ron

I have a connection in Arkansas that currently does a lot of BRRR short term rental properties.

I'm thinking of investing in a property in Miami (Edgewater area) for short term rentals.

Check in with @Joseph Chiofalo for Pro Forma support and analysis he can help plug in loan terms with investor friendly financing. 

In addition consider other documents you will need to have on hand like Pet Addendums, Notice to Vacate, Lease Extensions, Lease Assignments, etc.

Many months of rates moving at most a few basis points a week morphed into dramatic, massive movements—with bigger changes sometimes happening in one day than had occurred in quarters or years prior.Real estate investors navigating the challenging market of 2024—with mortgage rates still at elevated levels—are at an advantage when they can lock in financing terms or plan purchases while DSCR loan rates are favorable.