Anyone who has ever been to Costco (Nasdaq: COST) knows the dilemma of the wholesale consumer: Can you eat the bulk-size bananas before they go bad?

It’s a problem Costco founder, chairman, and former longtime CEO Jim Sinegal recognized. Last month, The Motley Fool’s own founder and CEO, Tom Gardner, ventured to a Costco warehouse in Florida for a conversation with Sinegal on business, leadership, and company culture. In the video below, see which bulk items were problematic, and how Costco developed its commitment to bulk sizing. (A transcript is provided below; running time: 2:33.)