Look for the old guy with SPIKED hair.Thanks Cj L for comments.

Any spikes or higher usage is a good indication that heat pump isn't running correctly and heat strips are working more than they should.

Good point on checking those bills over a 24 month period and look for any spikes or trends up.Thank you for the information as I can add it to the due diligence process.

I just pray that if we stay here the interest rates dont spike along with housing prices, but then at least we'd sell this place for a possible profit if they do.

I just don't think there is a chance interest rate will spike up any time soon.

The market here has spiked considerably and will continue rising into the summer.

Aluminum wiring in residential applications didn't take hold until the 1960s when commodity prices for copper spiked, so, unless someone updated wiring in the 1960s/70s, it is unlikely you will find Al.

Yeh, we've had a little spike here recently.

In addition to Adam's excellent guidance above I'll share:  be aware that the tax on the property will likely spike once you buy it. 

The surveyor should have installed spikes or markers to show exactly where the property line is.