Every Costco member has had the conversation. Someone sees the line of cars wrapped around the Costco gas station and asks — out loud or internally — whether the wait is actually worth it. Whether the savings justify the time. Whether the membership fee is recovered just from fuel, or whether gas is just one piece of a larger value equation. Gas prices vary by state, county, city, and even neighborhood, so there's no set discount Costco offers compared to rival stations, but

In 2025, the average Costco member leaves $1,247 in potential annual savings on the table through missed opportunities and suboptimal shopping strategies. Strategic Costco shopping can reduce household expenses by 23 to 31 percent without sacrificing quality or convenience. Five-forces Read that again. $1,247. Per year. Left on the table by members who have a perfectly good Costco membership and are not using it to its full commercial potential. The difference between a Costc