My focus is on providing either turnkey-style space for those interested in temporary, infrequent use or long-term leasing for business folks who require conference room space (or perhaps event space).

In Oregon for instance unless your doing a PUD open space cannot be required and you MUST create lots to specified zoning density.. in other words if your zoned 5k sq ft lots U cant ask for 7500 sq ft lots you must be within 10% of the base zoning.

Rental should be $1,600 a month.This year, I plan to build one more rental property, and it will require financing.

I don't know what they are but unless there's something in the city that requires that kind of notice, it sounds excessive to me.

Yes, sewer clean outs are required on new construction, but on a 1947 rehab house that didn’t have existing clean outs, is it really possible that I can be required to install them?

One thing to consider since you are a California resident investing is the compliance requirements for LLCs incorporated in California or operating as a foreign entity here - the rules here are different than most states.  

Given the competitive market at the time, every property was receiving multiple offers, and securing a deal required both strategy and speed.

With no proof required.  

I’m hearing they require higher down payments though.

.✔️ Your house hack is more than a 2-unit property and requires more oversight.✔️ You’d rather pay for peace of mind and legal compliance.Final ThoughtsIf you’re house hacking a small multi-unit (like a 2- or 3-flat) and are comfortable being hands-on, self-managing can be a great way to save money and learn the business.