Before Amazon bought Whole Foods for $13.7 billion, the upscale grocery chain had a nickname: "Whole paycheck."
Just a few days after the merger, prices dropped as much as 43% on a range of Whole Foods products. Organic Fuji apples went from $3.49 a pound to $1.99 a pound. Organic avocados were marked down to $1.99 each from $2.79.
According to Foursquare,