I'll have to take photos tomorrow to properly illustrate.The neighbor also said that the mainline water pipe had several leaks in the past and has pictures to prove it.

I could be wrong, but less chance of deferred maintenance issues due to gradual water leaks in bathrooms in upstairs townhome style.I agree that 5 caps aren’t the best area, but if it’s a 5 cap and two units aren’t rented, that provides some immediate increase to income with a relatively low capital outlay.

So far, there haven't been any leaks. 

Might pay more for less effort (gas, equipment) . 

An uninsured worker that gets hurt on your property or a contractor digging up a gas line with a back hoe or disposing of toxic chemicals like paint or solvents into an environmentally sensitive area can result in a huge liability that can easily exceed the value of the property.

I asked the typical questions (is it staying cold, shutting off, leaking, etc.).

Small gas station owners are notorious for this.The seller gives certain books to a potential buyer to sell them on a certain value.

I just found this surprise in a duplex I have under contract in the Minneapolis/Saint Paul area.It was updated to Gas at some point in time.

(Most plumbers don’t want to dig themselves)The foundation leak is a bit harder.

And said she wouldn’t ask for gas or mileage (10 miles).