is an enormously successful chain of discount retail stores started by Sam Walton in 1969. It success was unusual in the industry. During the 1960s and 1970s repaid expansion by existing firms and the entry and expansion of new firm made discount retailing increasingly competitive. During the 1970s and 1980s industry-wide profits fell, and large discount chains-including such giants as King's, Korvette's, Mammoth Mart Stores, however, kept on growing and became even more profitable. By the end of 1985 , Sam Walton was one of the richest people the United States. How did Wal-Mart Stores succeed where others? The keep was Wal-Mart's expansion strategy. To charge less than ordinary department stores and small stores, discount stores rely on size , no frills and high inventor turnover. Though the 1960s the conventional wisdom held that a discount store could succeed or in a city with a population 0f 100000 or more. Sam Walton disagree and decided to open his stores small Southwestern towns by 1970 there were Wal-Mart stores in small town in Arkansas, Missouri and Oklahoma.