Beyond the everyday deals, Costco offers a rotating selection of seasonal products. From summer treats to holiday cookie platters, there's always something new to discover. As the fall and winter holidays approach, the store often feels like a fast forward to the upcoming season, with festive-inspired stock arriving well in advance. While seasonal items can be hit or miss, both in quality and price, having an understanding of Costco's seasonal offerings and approach can help you spot the best finds and avoid less impressive buys.