Loss Leader

A loss leader (also leader) is a pricing strategy where a product is sold at a price below its market cost to stimulate other sales of more profitable goods or services. With this sales promotion/marketing strategy, a "leader" is any popular article, i.e., sold at a low price to attract customers.
One use of a loss leader is to draw customers into a store where they are likely to buy other goods. The vendor expects that the typical customer will... plus