CA's Secretary of State forms list the name and address of either a manager or member, so unless you're hiring a third party to serve as manager of your LLC, anonymity is very hard to achieve once filing publicly in CA.As to the probate part, you're right that going through a court probate is a huge hassle, including being expensive and time consuming. 

For the person that is letting you arbitrage their property, why would they choose to let you arbitrage their property rather than hire a professional, licensed, insured PM that has a team to run their property for them? 

There's really not a cost-effective solution for utility monitoring for SFR, other than Nest.WhatsApp for business communications is lmited - how do you scale and hire someone to handle, while being able to track what they do?

I build my list from parcel viewer, then hire a skip trace 40$.

And unless you have very deep pockets, you can't afford to be that much off....So as has been said....hire a very experienced General Contractor and have them give you a budget number based on your SOW, (plus they will find other things that need to be done that you will not have seen).On your succeeding projects, you do a budget yourseld first, then hire the GC and compare numbers.Then, eventually you will be comfortable going all solo...but it takes time.

There are certain agents that people sometimes hire to make the actual proposal to the board.

I rent STR mostly through airbnb which acts as a rental manager and I have an assistant that I personally hired to flip/clean the units and also on site for renovations.

Another difference is when a PM quits, typically the stakes are pretty low, you just hire another one.

Assuming you have already provided the late notice, which is something you should do, I recommend finding a lawyer that focuses on evictions at your jurisdiction and just hire them to do the eviction. 

Are you planning on self-managing or do you need to hire a property manager?