My lessee is not inclined to resist the U/D and usually defaults.

Builders will sometimes push back as they don't want you to see your profit margin but the easy way to circumvent the resistance is to explain you will need lien wavers for each subcontractor in order to release the construction funds so you are going to see what each sub is making anyway.

1) Definitely check local codes first2) Steel is silly cheap right now, and resists "tenant and neighbor behavior" quite well3) Consider a more substantial fence on property perimeter, such as block, and then more inexpensive options for interior yards.4) I doubt you'll get more rent, but you will have more interest, especially if other options around you aren't fenced.  

If they resist you, start the eviction process.

The infrastructure AND wages (little manufacturing, mostly service related jobs here) is not here for the amount of people that live here and will never be because of the populations massive resistance to any new taxes.

.: I have a trane mini split system in my addition it will blow hot air even at 5 degrees Are you sure it's not just using the backup resistive heating element?

I'm struggling to resist the urge to just disconnect their machines and let them come at me for the breach of contract damages which would only be like $3-$4k. 

Resistance burner ovens have an extremely long life and good ones can be had cheaply used.

After getting hit pretty hard in 2008, I wanted to get into an asset class that was more resistant to economic downturns.

Also of note, there is some local resistance to STR that you should be aware of.