Costco Travel offers everyday savings on top-quality, brand-name vacations, hotels, cruises, rental cars, exclusively for Costco members. The meaning of COST is the amount or equivalent paid or charged for something : price. How to use cost in a sentence. Costco is a warehouse club, which means, unlike typical grocery stores, it sells goods in bulk in order to provide discounted prices. Aside from groceries, it also sells clothing, toys, electronics. Find top-quality grocery and household items at Costco. Enjoy bulk savings on food, beverages, cleaning products, and everyday essentials. View Costco Wholesale Corporation COST stock quote prices, financial information, real-time forecasts, and company news from CNN. Official website for Costsco Wholesale. Shop by departments, or search for specific item(s). COST provides a platform to exchange ideas, form coalitions on critical issues that shape tax policy, and to connect with policy makers both in the private and public sector across the country. Food prices rose 3.0 percent over the year ended June 2026, with food at home prices rising 2.7 percent and food away from home prices rising 3.4 percent. Energy prices were up 15.7 percent over the year, with gasoline prices up 26.7 percent and electricity prices up 4.0 percent. Find the latest Costco Wholesale Corporation (COST) stock quote, history, news and other vital information to help you with your stock trading and investing. Shop Costco.ca for electronics, computers, furniture, outdoor living, appliances, jewellery and more. Enjoy low warehouse prices on name-brand products delivered to your door.