Add Yahoo as a preferred source to see more of our stories on Google. A pair of Bowflex adjustable dumbbells against a green background. Working out at home isn't just convenient -- it's cheap, too.

Walmart is selling a $210 vibrating exercise machine for $70, and shoppers are 'elated' with the purchase originally appeared on TheStreet. We don't always have time to get a workout in, but with so ...