There’s also a scorecard that gets released based upon many factors.  

Basically, the further you get away from the city the more potential for cashflow, but you're also dealing with a different tenant base that may be tougher to manage.

Also, the benefits of a cost segregation study can vary based on a multitude of factors.

In addition due to prop 13, the tax base is a fraction of if it sold today.   

Here’s an example of what I've used if they don't qualify based on what's on application. 

So bye-bye all the Brrr's and Multi's and what not, we need SIMPLE, right, a good simple SOLID base-hit, right. 

I titled this post based on that.

Based on a quick answer from Perplexity it seems like there would be no issue with you buying the home and collecting passive income, but you may not be allowed to manage it yourself since that is considered active work.

@Gary Abrams A cloud based solution would work really well in your scenario of having other family logging in and helping with management. 

In previous roles, I was responsible for the asset management, capital improvement, repair, and maintenance of an ANG Fighter Base worth over $400M.