To get the deal, I got a list of homes in two separate cities all older than 1990 and sent out 16,000 "We Buy Houses" postcards to the addresses - roughly $6,000 all-in.

Temperature controls need to be separate, so they are not shutting and opening vents to regulate temperature. 2.

The electric is separated and provides hot water.

So I’m thinking of either separating a master suite, putting a long term tenant into the “majority” of the house and renting master suite as STR, or, putting long term tenant into ADU, and renting out primary property as STR.

I've house hacked twice on two separate properties and both times, I bought on the basis that I could afford the entire property on my own income with no worries. 

Property was a perfect match to accommodate 2 units as it had 2 separate entrances, 2 driveways and 2 AC unitsIn an up & coming LA neighborhood How did you find this deal and how did you negotiate it?

My lender said there would be no extra cost to us but this all just sounds to good to be true.We like the flexibility of having 3 loans (we could sell them as a package or separately over time), but I am wondering if that's the smartest move here. 

Basement is finished with a kitchenette, bathroom, small living area, small bedroom and a separate entrance.

Regarding a separate detached ADU in Denver, they aren't as common as you see in Los Angeles.

It is a 2 separate buildings in a lot.