The Costco Gas Station is a popular destination for Costco members seeking competitively priced gasoline. The station is often busy, but the lines move quickly, thanks to the efficient self-service setup. Customers can typically find gas prices that are slightly lower than at other local stations, and those using the Costco Mastercard can earn up to 3% cashback on their purchases. While the prices are generally favorable, there have been rare instances where the Costco price was higher than elsewhere. Overall, the Costco Gas Station provides a convenient and cost-effective fueling option for its members.