My team is also well connected to this sector of the industry allowing us to be experts in Land listings as well as have access to numerous Off-Market Listings.

As for my Airbnb research, I have spoken with a person who runs numerous Airbnb’s in a different area (city atmosphere) who provided good ideas on how to smoothly run the property.

The sad stories of money lost are too numerous to ignore.

Search the BP for ADU appraisals to encounter numerous examples.

It just obviously won't be market specific.On a personal rezoning I did for a house hack new-construction triplex, I was asked numerous questions about how many bushes and trees I was going to plant.

But then I am taking risk , the contractor doesnt share in the reward .

Nope can mention any that will be better risk reward than making the Delta on a 3% loan in the US.. 

Systematize as much as possible to create scalability.PM is a challenging but rewarding business.

Like many things, on the other side of sacrifice, discomfort, and hard work is a large financial reward. 

I'd build a quad, and there is a laundry list of ways one can select to be amply rewarded for such.