Warren Buffett and his longtime business partner Charlie Munger almost never butt heads, but there has been one rare area of disagreement between the two investment legends. Costco has grown from less than $5 a share in the early 1980s to more than $560 a share today. 'Shoot me first' As Munger's obsession over Costco grew stronger over the years, Buffett learned to make lighthearted jokes about it. "Charlie said, 'I would like to give, once more, my speech on the virtues of Costco — with illustrations.' I kind of used them up between Costco and Apple," Buffett once said.

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Persons: Warren Buffett, Charlie Munger, Munger, —, Buffett, James Sinegal's, Berkshire Hathaway, didn't, Warren wouldn't, Warren doesn't, Sears Roebuck, It's, Buffett's, he's, Charlie Organizations: Costco Wholesale Corp, Oracle, Price Club, Costco, Berkshire, BNSF, Apple Locations: Omaha, America, Berkshire