Reason for keeping it is to keep skin in the game in case we want to relocate back to our hometown (wife likes the security).

The questions you are asking are far to vague for anyone to have major input or guide you correctly as each person's situation is different. 

Keep it simple.

From CSLB:This section defines what an owner-builder is and the laws surrounding the practice.An owner-builder is what the term indicates: a person owns the property and acts as their own general contractor on the job, and either does the work themselves or has employees (or subcontractors) working on the project.The work site must be their principal place of residence that they have occupied for 12 months prior to completion of the work.The homeowner cannot construct and then sell more than two structures during any three-year period.Getting a GC license and going Legit is pretty difficult.

I’m looking for Net and occupancy for 2023.The unit I have a contract on was mostly used for personal use, I’m looking for rental numbers…. and sellers aren’t willing to give these up.

Who is going to do all the paperwork, like keeping the LLC renewed?

I think I'm a bit of an oddity in that I've been researching personal finance and real estate for years (still nowhere near an expert), but have never taken the step to reach out on forums to like-minded peers.

Keep me posted if you go through with it!

(e) While a person may examine and consider a criminal background check, credit history, or rental history in reviewing an application for rental housing, the person shall review and consider additional history in reviewing an application for rental housing, the person shall review and consider additional information provided by the rental applicant, including, but not limited to, personal references, recency and status of any evictions, and any actions taken by the rental applicant to resolve past evictions, credit challenges, or alleged damages, the recency and severity of any convictions, the violent or sexual nature of any prior convictions, the facts or circumstances surrounding criminal conduct, the age of the applicant at the time of the conduct, the age or vulnerability of the victim of the conduct, evidence that the applicant has maintained a good tenant history in the intervening time, and evidence of rehabilitation efforts, consistent with state and federal law, including, but not limited to, fair housing laws.

Covers keep water out, but you still want a drain inside that goes to the drain tile.