Originally Posted by
Alcibiades
Often, other gas stations near CostCo are priced competively enough to be cheaper overall. IF you pay with GCs.
In my area Sams/Costco gas are within a penny or two of each other and the Costco line is usually much longer. Both tend to be $0.15-0.20 less than the regular stations. With the Giant promo back the GC options are definitely worth it.