Most executive coaches hired by big companies get paid big bucks to work with top executives.

The answer will be dependent on your fact pattern, so a general forum like this may not be able to answer such a broad question.With regard to the LLC structure, note that CA does not recognize series LLCs, and CA tends to have a broad opinion of what constitutes "doing business" in the state, and therefore, what LLCs need to report with the CA Secretary of State and file appropriate tax returns. 

The house smells like animalsLocal inspection company says house should be 75% empty so there is clear view of floors and walls.

In regards to starting a property management company, I think it's a great idea if you enjoy it--- but first, I would make sure all of your systems are on point and you learn everything you can about this avenue.

Be aware of local regulations and potential restrictions on short-term rentals in the Tahoe area.Property Management: Decide if you will manage the property yourself or hire a property management company.

Would it be under the business tax id number which would be brand new (so no history yet) or would it be through me personally through my own credit report/history?

Im the opposite, I recently had to sue a company for a product defect,  so evictions and court proceedings imo can make you go insane. 

An older company is considered more trustworthy credit wise than a new company.

I’m able to get a P&L by borrower/loan, among other reports.

prior to purchasing the carwash I was part owner of a mobile auto detailing company that we operated out of a 2800sqft warehouse.