This approach can be a good fit if you're not keen on day-to-day tenant and property management tasks.

How to find investors to build this into a multifamily, niche/unique, building?

Many lenders offer the 10% down 2nd home mortgage, it's not unique to The Mortgage Shop. 

In Miami I see too often boxy concrete block homes that take up most of the lot with no unique design. 

While I understand the concepts nothing beats seeing these deals in action.I would be grateful for the opportunity and am happy to offer my assistance in conducting research, organizing materials, or handling administrative tasks in return.  

It's a good idea to talk to a tax advisor to fully grasp the tax advantages and implications of each choice depending on your unique financial circumstances.Good luck!

However, I totally understand your perspective as these tasks can pile up.

So they can be a good place for you to learn what these offerings typically look like and come up with your own unique due diligence process.

Lucy has taken over the task of getting our properties in the Costa Del Sol ready for rent.

This can give an investor an idea of the variety of different asset classes and strategies, and allow them to come up with their own unique due diligence criteria.