Like a fishing guide's GPS numbers to the best fishing spots or a realtor's knowledge of really good deals on FSBO properties, this info is not shared openly, but eventually disclosed of course once hired.  

I think its fair to say I’ve been terrorized by insurance companies in NH.For the naysayers: Oil tanks replaced 3 years ago.

You can go to the Atlanta History Center and look at micro fish or the original building permit. 

Go for: that Beautiful 200 gal Saltwater fish tank in the foyer, as is, ALL fish staythat 1968 396 SS Camaro sitting in the garage that the seller never drivesthat Harley Davison motorcycle in the garage that the seller's wife hatesthat 25 foot Key West bay boat  those 2 new Kayaks on the dockthose 2 new Jet Skies on the liftsthe new John Deer tractor in the barn   that awesome TV and surround sound systemthe leather furniturethe dinning room table, chairs and chandelierthe office furniture the master bedroom set  the pool furniture etc. 

Dave Ramsey and real estate investor are usually like oil and water.

I'm willing to bet top dollar that college education would be a better bang for your buck than a self-study seminar peddled by someone selling you real estate "snake oil".

Recently I was made aware that she has an oil leak in her car and essentially caused 3 giant oil stains in the parking spots.

The best and fastest way to get your answer is to talk to multiple property tax protest firms, you might be able to fish for your answer or at least you could hire them and they can take care of it for you.

Fish like creature... or... some situation where builders chew up profits for pressure treated lumber?

Generally, electric baseboard is much more expensive than oil heat(see link below which allows input of various prices for electricity and oil.)