I'm curious about the usual practice in construction projects and whether it's common for general contractors to handle the permit process as part of their services. 

Advani highlights the importance of sustainable building practices and innovative design in creating properties that stand the test of time and attract premium tenants and buyers.Long-term Investment StrategiesInvesting in real estate is not a get-rich-quick scheme but a journey towards long-term financial growth.

What are the PRACTICAL remedies if he does indeed decide not to sell or show up at closing.

In this scenario both myself and the other tenant would be paying rent to the LLC and I would report any income after all monthly payments on my own personal income tax.I know that there have been similar questions posted but most were a few years old and had a lot of different opinions on what was legal/best practice.

For marketing, best practices are:+listed it on two sites, one of which is Airbnb and the other is a long-term unfurnished site like Zillow, Turbo Tenant or Avail (people convert well on those sites)+Write the listing broad and avoid any preference for traveling nurses, medical professionals, insurance folks, etc.

Boutique communities like this are best left to the dreamers with very deep pockets.Not a practical idea.

Reading all the books and watching the Bigger Pockets videos, everything seemed to make sense on paper but was so difficult in practice.

I don't think it is practical to spy on guests, but if you have time to do it, I think you might be onto something.

That said, I doubt that there is a form of housing that is more in-between practical purposes than a tiny house.  

Less than 1% should be charging for it.I liken the "community" approach to teaching subto and wholesaling and "gator" lending to teaching a mass class of dentists how to drill teeth by giving each one a drill and saying to go out, find someone to practice on.