As for the apprenticeship mentioned on the main site, there is a pretty robust Bigger Pockets thread from ten years ago discussing the program.

I gotta say- this is one of the most robust MTR threads I've ever seen.

But it's wise to keep that slush fund robust so your tenants don't have to wait for you to muster up the cash to pay for the A/C to be repaired. 

You might also consider a facility for people that have recently left drug/alcohol rehab programs and are looking for a group sober living facility as an interim step in their recovery.

For over 2 years I have been trying to find investors or a lender to finance a residential drug and alcohol rehabilitation center for juveniles for state ordered and low income.

If this is enough, I recommend looking into becoming CCIM candidate which provides its members a fairly robust suite of software that should incorporate the items your looking for. 

(You may care to know that my brother holds very strict religious beliefs that keep him from using drugs or alcohol and makes being in the presence of such things EXTREMELY uncomfortable for him.

A Wordpress site with the right plugins can make your website fully robust and user friendly.

The only real reason to use an out of state entity for CA operations is if you prefer that jurisdiction's laws - and in that case, Delaware has a much more robust system than Nevada.

I understand that there are some obvious answers to these questions - but my experience with the BP community it that there are always robust conversations around those answers and many contributions that were not so obvious at first glance.