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 used as a related term and can mean any popular article, i.e., sold at a normal price. 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 used as a related term and can mean any popular article, i.e., sold at a normal price. 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 purchase other items at the same time as the loss leader and that the profit made on these items will be such that an overall profit is generated for the vendor.