Trying to get an institution to reply and comment in a timely fashion is comical.

In my mind the only viable option is good ole fashioned long term rental. 

Real Estate is just a tough bizz on almost any form or fashion takes work and does require some sales and marketing skills..

I have never seen someone throwing every one of the fashionable strategies into a single short paragraph.

I am thinking normal utilities being provided in a communal fashion similar to many pitch your tent campgrounds.

Get the lock that also has a hole for a physical key  and then have a good ole fashion lockbox with the key in it as a back up Example of yale with key Dont get one like this without a keyGOOD LUCK!

Let's be realistic, scaling in a house hack fashion doesn't happen in today's world like the pre-Covid era. 5 MFs in 5yrs with just $25k to work with is a false reality.

Bummer it's a bit old fashioned in it's inability to transfer online.

Friend of mine invested with a HML in the same fashion... 

That's how people get over-leveraged and into trouble.If you want to invest, do it the old-fashioned way: increase earnings, reduce expenses, save, then invest.