[C19fan]

You can tell when gas prices are high by the huge lines at Costco for gas. I think any savings you might have is eaten away idling while waiting.

[kaboom]

15 cents savings x 17 gal = $2.55

Definitely not worth driving out of your way or waiting in a long Costco line for. Not only will you idle away or drive off the fraction of a gallon that $2.55 gets you, but isn't your time worth more than that?

[editor-surveyor]

"I think any savings you might have is eaten away idling while waiting."

What are you idling in, a locomotive? ;o)

[Marie2]

I don’t idle.

I have no a/c, so I can’t run it (cue violin).

If I stick to the above, and go to Costco when I’m in the area anyway, I think it pays.

Also, if we all go to the cheapest station we can find, doesn’t that drive down gas prices?