Kohl's offers the iRobot Roomba 620 Robot Vacuum for $339.99. Coupon code "WELLNESS20" cuts the price to $271.99. With free shipping, that's tied with our October mention and the lowest total price we could find by $53. It features a self-charging home base, side brush, bristle brush, beater brush, brush cleaning tool, and iAdapt sensors. Coupon expires January 19.