Inside the Box: What’s the secret to Costco’s success?
10:49
Costco is famous for turning the experience of warehouse shopping into an adventure. CNBC’s Carl Quintanilla shows how Costco has grown to 600 stores, attracting loyal customers who return for the treasure-hunt thrill of constantly changing inventory, including diamond rings, steaks, wedding dresses and caskets.April 26, 2012
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