A lot of 'off-grid' places are not, which will lower their value and resale ability.Also, you are decreasing your potential market by choosing a venture like this..not everyone will find composting toilets as cool as you and I might.Having said that, I think it could be a great find, if it check all the the boxes.

I would look at this venture as some type of vocation (I.e. plumbing, electrician, framer).

I already have an LLC that I originally set up as a business entity to facilitate managing, overseeing, and expanding my real estate ventures.

Explore creative financing like seller financing or joint ventures.

Gotta say, the discussions here have been pretty informative, especially with folks like @Taylor L. and Andrew sharing their insights.Looking at your list, I’ve actually known invetors who recently ventured into Memphis and Greensboro.

venture cautiously

However, a relative of mine has also expressed interest in investing their own funds into this venture and splitting the proceeds. 

Instead, Use a partner in a joint venture. 

It's a hub for startups, venture capital, and cutting-edge research.

Hey Sergey, I’ve run into this exact issue when trying to establish my own online presence for out-of-state ventures.