Free samples with a side of serotonin: Welcome to the Costco feeding frenzy

Costco utilizes a strategic approach by offering free food samples to its customers, which triggers a serotonin response and creates a feeding frenzy atmosphere. This practice is highly popular among shoppers and serves as a powerful tool for the company. By providing these complimentary tastings, Costco successfully attracts consumers and generates a significant fortune, turning the simple act of sampling into a highly profitable business model that enhances the overall shopping experience.