A senior care facility would likely involve more rules, regulations, and red tape.

I figure, there is something everywhere (tornados, wild fires, regulations).  

You can put together your own Opportunity Zone Fund with your lawyers and then you must follow lots of laws and regulations and paperwork. 

Understanding local regulations and zoning laws is crucial to avoid legal issues.

What are the regulations in Desert Hot Springs?

Once you have done your research on the STR rules and regulations in a particular state, city, county and any HOA, you have more work to do.

DTI is crucial for these products even if you can get a higher LTV product if you can't meet the payments all the regulators don't care about your equity position.   

You basically can't purchase a SFH in Taney or Stone country because of the regulations against STR - be wary of people selling their homes as STRs (they are probably trying to get out before more regulations kick in) - you will not legally be able to rent it.

Lots of odd regulations in NY.  

I would exit the California market due to the tenant favorable laws and regulations and the risk of long term population loss in the state.Be careful about paying off mortgages to increase cash flow - it may make you more money to refinance and reinvest to increase the number of units.