Since I plan to hold this property long-term, I don’t care about increasing official square footage, I just want a functional space.Question: Has anyone here done a “garage upgrade” or ADU extension like this, pulling permits for essentials (bathroom, electrical, replacing garage doors with walls/windows) but keeping it simple otherwise?

I started exploring note investing a while back and was surprised how different it is from owning rentals. It’s more about managing paper than property — and yet, the returns can be very steady.
Curious if anyone her...

So it also depends on what room it's going in.

With the BRRRR the one major piece of advice I will give you is that AC's city officials and building department are notorious for screwing with you. 

So that's another scenario. 

Once they’re installed, everything else will be ready — which puts me at the end of this month or early December for a full completion.I’m also a licensed agent, so I’ll be listing the property myself.

The other is in the low 500s but stated that this is due to a car accident totaling her car and is in litigation, so she is not paying on the loan. 

There are legal things you can do and ones you can't do, there are banking things you can do and ones you can't do, there are marketing things you can do and ones you can't do, there are landlord things you can do and ones you can't do, there are rehab things you can do and ones you can't do, there are financial things you can do and ones you can't do, there are tax things you can do and ones you can't do, there are moral things you can do and immoral ones you shouldn't do and so on.

What do you mean their "so-called founder?"

So if only one of the four units is being rented out short-term and the other three are long-term, the overall average guest stay for the building would still exceed seven days—meaning it likely wouldn’t qualify as a short-term rental activity for the STR loophole.