Best to partner with an established person that you already know who is active in the USA.

For 1031 there is the establishment of intent - not a specific time period. 

It will be capitol intensive to develop and would probably be best for established developers.

They should bring a great deal of experience to the table and focus on establishing the price that will attract one or more buyers, staging the property for maximum eye appeal, and market the property with multiple on line databases, ads, and yard signs (if applicable).

Yes, I completely agree that relying on appreciation alone is usually not a good investment but more of a gamble. 

It is a rapidly shrinking market, about 10-20% the volume it used to be, with established, experienced regional and national players already in place.

As long as they’re not definitively going against rules established by HOA or other quiet enjoyment or dwelling privacy laws then there is really nothing more you can do.

I agree with J as the taxation differences is why I wanted to establish as an S-Corp vs LLC.

BUT, the key is that when you're in your early-mid 20's, you're much more flexible, and establishing habits, to make lifestyle choices.

Move forward as you would with the termination of any tenancy and make-ready the unit for the next tenant.If they need to stay, go over the terms of the rental agreement and re-establish understanding about the property rules regarding "peace and quiet" "safety" "crime" and "firearms on the property."