I’d be hard-pressed to charge my tenant a pet fee if there is no pet

You also noted several key-words that press in the vein of a developing market area.

I became an accidental Landlord in 2016 when I got an assignment to Misawa Japan 5 months after I closed on my first home.

#1 - I do not see accidental water discharge listed- although it could still be included.

I have accidentally fallen into real estate. 

If you sell you would be hard pressed to by back into the California market, unless we have a major downturn like 10 years ago, and I don't see that.Good Investing...

Accidental landlord who got the real estate itch to grow a portfolio intentionally.

Maybe there was an accidental/negligent discharge from the inside.

Incur the expense of refurb and have a forever cost of maintaining the pool is a big deterrent as it adds absolutely zero dollars to what I can charge for rent and there is always that legal liability of an accidental drowning or some accident where the liability insurance may not cover or claim exclusion. 

Tenant A said she will press lawsuit against Tenant B.