Want to invest in coffee futures? One roaster says when it comes to the price of coffee, it "is like a roller coaster." Joe Raedle/Getty Images hide caption

itoggle caption Joe Raedle/Getty Images

NPR's Uri Berliner discovers that among his REIT holdings is one that owns the Washington, D.C., site where, until recently, NPR had its headquarters. The building is being torn down and a new building with law offices will go up in its place. Marie McGrory/NPR hide caption

itoggle caption Marie McGrory/NPR

Hey mutual fund investors: Think you can beat the market? Charley Ellis, who's worked in investment management for 50 years, doubts it. That's because the fees actively managed funds charge can get expensive. Richard Drew/AP hide caption

itoggle caption Richard Drew/AP

A recent trip to Costco cost NPR's Uri Berliner $303.53. The haul included razor blades, cans of soup and tuna fish, laundry detergent, heartburn relief medicine and dog treats. As an investment, it will pay off if he uses what he bought — and if the price tag for the same items is higher if he returns in a year. Mary-Elizabeth Berliner hide caption

itoggle caption Mary-Elizabeth Berliner