You are literally buying someone else's legal headache from which it may be difficult to see the bottom. 

Anything you install will be less robust than a utility provided meter which I believe have a list of legal protections regarding tampering.

Then once you build up a general knowledge base and understand your exact strategy and the inventory available in your market then you can ask more specific questions to help you along the way.

Specifically multifamily due to its resilience in adverse economic cycles. 

It is the most legal way to be a "wholesaler." 

I'd be specific as to what 'ecofriendly' means to you when talking with GCs and Architects...

It does keep the daisy chain method from being utilized, but that was never legal in VA--I expect that this law is making that explicitly clear.

If the casita doesn't have a legal address then no mail will be dropped off to it.

There are legal and extra legal ways to get rid of the squatters. 

I am currently in the process of laying the groundwork for an Air BNB Arbitrage Business model specifically targeting the Anchorage/Wasilla region in Alaska.