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