The vast majority of lawsuits against Landlords are for wrongful eviction, security deposit disputes, and Fair Housing Violations.

Sometimes it can be difficult to collect and some landlords will keep any unpaid utilities out of the security deposit, though CA is one of the trickier states to do this in.

If these things weren't disclosed that could be an issue.Did you work with a licensed insurance agent to secure coverage?  

If you're living in it now, you'll probably be required to have a signed lease in place as well as proof that first month's rent/security deposit were collected in order to get a DSCR loan (they're business purpose loans and don't allow owner occupancy).

We have not been able to secure financing and had conversations about it.

All mortgages contain a “due on sale clause” which states that the lender may, at its option accelerate (call note due) if a transfer of the property securing the note takes place.  

Luckily, I did not include this unit in my underwriting when purchasing, so the survival of this property is not contingent on this situation.Continuing to optimize for management of the building when I move out, like moving everyone to online rent payments or adding remote accessible security cameras.Exploring opportunities to expand my portfolio—I've begun my hunt for my next 3 to 4-unit building to house hack, ideally in Lake View, North Center, or Ravenswood.This year taught me that real estate investing isn’t easy, but it’s undoubtedly worth it.

Quote from @Jaša Rot: Hello Marshall,thank you for your reply.my idea was to sign a trust deed and promissory note with the borrower so that the loan is secured by collateral.

Focus on areas with high tenant demand, solid cash flow, and potential for long-term appreciation, and you'll be on your way to securing a great investment.Good luck!

Without this foundation any money spent on gurus, courses, books mentorships that teach techniques and methods is WASTED, even if the methodology being taught is valid.