However, he's a snake oil salesman. 

I walked away from that deal because the inspection found a leaking underground oil tank.  

Strangely however no one is talking about the systematic devastation and migration that could emerge in cities and small towns with single economies like Casinos, Theme Parks, Tourism Resorts, Oil belt and College Towns.

I have had great success with an essential oil defuser and an essential oil mixture called Purification.  

There is no sitting on the beach with your cellphone turned off while you drink booze from a coconut.

As mentioned by the other people here, lots of snake oil being sold out there now days!

However, where creating a moat might not be feasible, creating a steep hill(with a few archers and a dude or two pouring boiling oil down on any would-be encroachers) might be possible.

What happens if oil prices keep going down or stay where it is, what are the projections?

When considering a rental property (I'm looking at duplex) that has oil heating, do you account for the price of tank refills separately, or just consider it as part of normal maintenance/CapEx? 

I'm a civil working full time for an oil and gas sub.