These two things aren't mutually exclusive.

We’ve flipped homes and now exclusively lend on them in Los Angeles.

The middle-aged adult with 4-5 properties, I would recommend they start to prune their investments. 

Fannie Mae's guidelines verbatim are as follows:Must be occupied by the borrower for some portion of the yearMust be suitable for year round occupancyBorrower must have exclusive control over the propertyMust not be rental property or a timeshare arrangement (this has the following disclaimer in the guidelines:  If the lender identifies rental income from the property, the loan is eligible for delivery as a second home as long as the income is not used for qualifying purposes, and all other requirements for second homes are met (including the occupancy requirement above).Cannot be subject to any agreements that give a management firm control over the OCCUPANCY of the propertyThis means that as long as you intend to occupy the property some portion of the year, you could absolutely rent it while you are not using it. 

When I started in the STR industry I used exclusively nest thermostats and could never get them to lock temps when in dual temperature heat/cool mode.  

For example, is the "adult staff member" licensed?

My overall portfolio yield (exclusive of appreciation of real property of note discount at purchase) is about 14 - 15% annually. 

I also appreciate the point of view that says, "while I'm an adult with agency, my experiences have had a definite and profound effect on who I am and how I navigate the world.  

.* Residential properties (2-4 units) are mainly valued by sold comps and not with the income approach, since these properties are typically not purchased for their income potential exclusively.* adu/jadu's add contributory value to the property as a whole, which may or may not = the cost to build them.

Rent is 2400 for a 5/3.5Four adults show up with cumulatively multiple reported children amongst all of them, some teenagers some infants.