It won't heat an entire house, but plugging one in at foot level is a cost-effective way to stay warm on a cold night. They are also perfect for most bathrooms, and might just be the best-kept secret you'll find near that aisle of "As Seen on TV" crap.
Every visit to the store is like an episode of Seinfeld. From the crazy cashier that loves to screw with me to the receipt checker on the way out that thinks he's a Secret Service member, Walmart is full of the most interesting characters walking the planet.
A voluntary recall has been issued by the manufacturer of a pain product that is available for ordering through Idaho Walmarts and on Amazon due to reports of injuries from burns, shocks, and sparking.