Warehouse Demo Services is the exclusive Product Demonstration company for Costco in the Northwest, Bay Area and Los Angeles Regions. We employ, train and equip energetic, friendly men and women to offer free trial samples of Costco products to Costco members as they shop. WDS offers great jobs and wonderful career opportunities. We’re hiring Demonstrators right now to present world class products to Costco shoppers. You’ll work in an exciting, enjoyable environment with a flexible, part-time schedule. Opportunities are immediately available.