This must produce positive cash flow to protect downside. - Understand the upside of the "rent by the room" strategy- Understand the upside of any repairs that can be made to the main unit. - Understand the cost/value of completing an ADU project- Underwrite mid-term and short-term upside cases as well. 

The REAL issue is the EXPENSE in producing new units. 

Otherwise they have to prioritize higher income producing projects.

The entire video talks about how much money they ARE going to make on the house, that video was produced over six month ago. 

A small multi unit in a decent part of town that produces good cash flow.

This guy is pumping 10's of thousands into his content online with one of the top content producers in the game right now.

A smooth sea never produced a skilled sailor (Franklin D.

I used to work for a start up, we sold maintenance software to big oil and gas, chemical companies and other big producers.

Quote from @John Laseter: Good morning all, Saturday afternoon a gentleman knocked on my door and produced a postcard that I had sent to his house offering to buy it.

You can always use the depreciation from the cost segregation against the income that the activity produces.