The person leaving the trailer there is just to store it there.

To establish a 50-50 ownership in both the property and future profits, you'll need a formal agreement outlining each person's contributions and rights.

Personally I think this is where a lot of sale lease back programs fail the seller.

from my advice rural properties and developments aren't successful and you are climbing an uphill battle. sounds a little niche. we focus on developing and not reinventing the wheel. if this is truly what you want to focus all your time and energy on then visit the closest 5-10 of these that look like the ones you are interested and ask if they'd expand or build a secondary one. do a lot of research before you just take action 

My recommendation would be to engage an investment property focused realtor (not a general residential realtor) and let that person guide you through the process from pre-qualification to market/property valuation and selection. 

This is dependent on your personal situation and strategy.

While I've never invested personally in Detroit, my usual word of caution to investors in these "lower cost" markets is that while cashflow is great on a % basis, make sure to look at the actual quantity of cashflow. 

That is a great post, and I'd love to follow up and see how things went for my own personal knowledge. 

Typically someone who was communicative turns distant, unresponsive, blows you off when you're trying to talk to them in person, and the tall tale sign of boxes in the hallway.

The city itself is established, older neighborhoods, better city amenities (museums, arts/music etc), more pro sports, more hills, bigger river, has a streetcar, arguably better nightlife overall.