Retail is the process of selling consumer goods or services to customers through multiple system of distribution to gain a profit. A retailer is any person or organisation is a reseller who sells goods or services directly to consumers or end-users. Some retailers may sell to business customers, and such sales are termed non-retail activity. In some authority or regions, legal definitions of retail specify that at least 80 percent of sales activity must be to end-users.Retailing often occurs in retail stores, but may also occur through direct selling such as through vending machines, door-to-door sales or electronic system. Although the idea of retail is often concerned with the purchase of goods, the term may be applied to service-maker that sell to consumers. Retail service maker include retail banking, tourism, insurance, private healthcare, private education, private security firms, legal firms, publishers, public transport and others. For example, a tourism provider might have a retail division that books travel and facility for consumers plus a wholesale division that purchases blocks of facility, hospitality, transport and excursion which are after packaged into a holiday tour for sale to retail travel agents.