Why you spend so much money at Trader Joe's

The late Joe Coulombe opened the first Trader Joe's in Los Angeles County in 1967. Since then, the quirky brand has amassed a cult following among health and value-conscious shoppers. Experts estimate Trader Joe's outsells all the competition in sales per square foot, even though it may not be the best all around grocery store for a variety of reasons. But Trader Joe's does certain things so well, the company has built one of the most passionate fanbases in the grocery business. Here's how.