
Two years ago, some shoppers raised eyebrows when Costco (NASDAQ:COST) began selling gold bars online. But anyone who bought one then, or even a year ago, is now sitting on a serious gain.

Two years ago, some shoppers raised eyebrows when Costco (NASDAQ:COST) began selling gold bars online. But anyone who bought one then, or even a year ago, is now sitting on a serious gain.