Amazon sliced 50 percent off the price of this usually-$600 robot vacuum with voice control and self-cleaning and emptying capabilities. A staggering 20,000 customers have purchased one of these in the last month alone, and one reviewer wrote that after three years, this is “still the best purchase we have made for our home cleaning.”

The retailer is swimming with deals on the popular appliance brand — score robovacs, upright models and more for up to 50% off.

Ionvac SmartClean 2000: was $129 now $59 @ Walmart This smart vacuum has app support and a remote control, and offers 2000 Pa of suction. It's smart enough to avoid objects and falls, too, and it's under $60. View Deal