It became a social hub for BBQs and gatherings.In terms of resale, a well-designed patio can definitely add appeal for potential buyers or investors looking at multi-family properties.

California isn't the only State you can invest :) This investment doesn’t meet “The 1% Rule” if you search BP forums (using the magnifying glass feature, top right of your screen) you’ll get a lot of feedback on if this is a good investment or not.

We GC and design (and actually I'm a RE agent) in Waco!

Agree they are both tenants and you can't keep it from the other tenant.If she gives notice you can send them both their own move out letter which would give him a chance to react.Agree the other one can stay if they want to and qualify.We always designate one tenant as the primary, in the lease, and make it clear that they are the decision maker. 

By parking your profits in these designated areas, you can delay and maybe even shave off some  capital gains taxes.

Study those homes and see what features they have and their floorplans.

We don't have gas out there now, but we do have power and sewer/plumbing in the garage because of the permitted rec room and bathroom.My biggest question is the ADU designation.

Please note the information provided below is a layman's definition designed to provide a basic understanding for the general audience.

FHA loans are designed for borrowers who don't have a lot of money.

Maybe we can feature a few of those projects in the success stories forum?