The Prettycare Cordless Stick Vacuum Cleaner usually retails for $400, but is on sale for only $79 at Walmart. This particular model only weighs 3 pounds and is so popular that it has racked up more ...

Promising reviews: "These were incredibly easy to use — but more amazingly, they hold my fitted sheet in place so solidly, I'm pretty sure a nuclear explosion wouldn't make it slip off the mattress.