What’s the Most Popular Costco Product? Here’s a State-by-State Breakdown
This is what Costco shoppers are buying most. Sold frozen, these fish sticks are panko breaded and ready-to-eat in as little as three minutes. Not every grocery store chain sells alcohol, but Costco does, and at reasonable prices to boot. Photo:Getty Images The clear favorites in the alcohol category are the Kirkland Signature Prosecco and the Kirkland Signature French Vodka.