They are both cash flowing nicely and have excited us to push forward to a new level.I am a Texas A&M graduate managing a welding shop for the oil and gas industry. 

That's impossible since there's no fuel tank for the oil furnace.

You need to account for: Lawn care ($25-ish x 20-ish mows per season)Snow removal ($25-ish per plow x 20-ish plows per season)Water/Sewer: ~$240 per quarterHeating oil: Stated oil consumption in the listing is 730 gals annually - I'd confirm this with the fuel vendor if you can.

Hell, maybe one day Saudi oil will be a currency reserve, a complete reversal of oil being traded in dollars. 

Get the radiator/oil type, not the fire-hazard exposed-coil type.

Even with the prices of oil going from $100 to $40/bbl, the house prices retained their value.

Tech vs oil vs banking could be isolated in terms of geography 

from livestock grazing-split the land (gosh, I’d hate to), hoping a smaller section would bring more price per acre-contact oil or gas drillers in the area to see if there might be potential for mineral incomeFinancing:-no idea.

Then on top of that we usually discover a heat vent covered in asbestos & full of old oil fce residue/dust, then we discover a run of random cast iron vent plumbing.

I've had to repaint the rooms with oil based paint to help kill the smell.Overall the house is in good condition, but lots of detailed worked needed.Thanks again everyone for your input on this.