Retailing is the provision of goods or services to the customer Retailers buy goods directly from the manufacturer or from a wholesaler and make their income from the margin or difference between the price they pay for the goods and the price they sell the goods at to the consumer A retail outlet is the place where customers can purchase good for example a supermarket or a department store Nowadays many customers are shopping from home shopping by the Internet TV shopping channels or mail - order catalogues is becoming very popular.