Then we primed with Kilz just be cautious if it is the oil based one it will have a very strong odor, after priming we painted the entire unit. 

Your province/area and my state are also oil dependent, as I understand it, so patience could get you an even better deal with oil stuck in the doldrums.I agree with the sentiments of taking it slowly, studying alot, reading alot, networking alot (I know, alot of alots, but  I want to see you double your 150K and not lose it)...

Instead of putting him on the placemats like he wanted, I helped him work out a deal with a privately owned oil lube place. 

People make money by selling FUTURES in wheat,oil,hogs...because of agreements in place.

This is what I do and it works like a well oiled machine (I own property and also manage property):-You show it ONCE per week between a one hour window.

Underground heating oil tanks were sometimes used too.Keep doing your homework and know of all of the potential pitfalls.

I've heard alot about having verbiage in rental agreements / leases that allow you to increase rent based on oil prices crossing a pre determined threshold.

If over 5 acres, tell them your father said it has oil under it.

Many years ago during the days of Oil heat a friend of mine installed one for the tenant to play with & one discreetly installed that actually worked left @ whatever the minimum required temp was.

There is clear evidence of oil tanks previously being present.