Find the latest Costco Wholesale Corporation (COST) stock quote, history, news and other vital information to help you with your stock trading and investing. What is a Cost? Home › Accounting › Cost Accounting › What is a Cost? Definition: A cost is an expenditure required to produce or sell a product or get an asset ready for normal use. In other words, it’s the amount paid to manufacture a product, purchase inventory, sell merchandise, or get equipment ready to use in a business process. Costco membership benefits go beyond savings at your local warehouse. Costco Services can help you discover exclusive value for your Home, Business, & Life. The meaning of COST is the amount or equivalent paid or charged for something : price. How to use cost in a sentence. Costco Travel offers everyday savings on top-quality, brand-name vacations, hotels, cruises, rental cars, exclusively for Costco members. Official website for Costsco Wholesale. Shop by departments, or search for specific item(s). 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. Shop Costco online for quality furniture, mattresses, TVs, contacts, jewelry, and laptops. Unbeatable prices on top brands. View Costco Wholesale Corporation COST stock quote prices, financial information, real-time forecasts, and company news from CNN. Cost is the value of money that has been used up to produce something or deliver a service, and hence is not available for use anymore. In business, the cost may be one of acquisition, in which case the amount of money expended to acquire it is counted as cost.