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CDS Part Time Product Demonstrator in Costco If you enjoy interacting with people, Club Demonstration Services (CDS) may have the right fit for you! As the preferred marketing provider to Costco, CDS Part Time Product Demonstrators introduce Costco members to the newest food or products and enjoy a flexible part time schedule. We drive sales and engage with customers in a creative way! Are you: 17 years or older Customer service oriented Looking for a flexible part time schedule Available 2-3 days a week including 1 weekend day Comfortable interacting with customers and management in a... more ->