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Dollar General borrows Costco's bargain hunt playbook [Yahoo! Finance]

Costco Wholesale Corporation  (COST) 
Last costco wholesale corporation earnings: 3/5 04:15 pm Check Earnings Report
PDF Costco drives revenue by selling memberships. “The most important item we sell is the membership card,” Costco CEO Ron Vachris told Fortune in an April interview. M [Read more]