Just thought I'd mention since it is easy for the first tenant to not share the deposit with everyone else and in Colorado, that might violate the security deposit statutes.  

The Nest is pretty simple and you have to tie it to an email address but the factory reset and setup is fairly easy to do. 

It should be easy for them to get insurance and provide proof.

It can be very easy to make a bad deal look good if you forget some of these costs so plan accordingly.

One side is vacant, so that is easy.

This is both an easy, and complex answer. 

I soon realized that construction was a difficult job, as being out there for so many hours under the sun was not easy. 

Not sure I would be all that jazzed about buying there but it's something easy.

I work with Redlands planning quite often and it tend to get more difficult every time due to bureaucratic BS.   2)  If there is no lender, splitting the lot is relatively easy although it will take a little bit of time and money but nothing unreasonable.   

I use Easy Self Storage.