Costco’s traffic isn’t steady—it moves in powerful seasonal waves. Holiday cycles, seasonal needs, and promotional rhythms create predictable surges in foot traffic and basket expansion. Costco amplifies these surges using holiday loss leaders—strategically underpriced seasonal staples that pull members into the warehouse and trigger larger baskets. Brands that understand these cycles time Roadshows to ride these waves instead of swimming against them. Costco doesn’t wait for