This iRobot Roomba 620 Robotic Vaccum drops from $419.99 to $359.99 to $287.99 when you use coupon code SAVEMORE at checkout at Kohls.com. Plus shipping is free. Better yet, you'll receive $50 back in Kohl's Cash, good for use from 1/17-28 (or spend an extra $12.01 to get another $10 back). Customers who pay with a Kohl's card can use code COCOA30 instead of SAVEMORE to drop the price further to $251.99, and those who log in to or sign up for a Yes2You account will also get $5 back for every $100 spent, adding another $10 in gift cash. The best match we found on a similar model was $310. This vacuum features sensors to avoid stairs, drop-offs, and furniture. It includes a self-charging base, battery, filter, side brush, bristle brush, beater brush, and brush-cleaning tool. There is a limited one-year manufacturer's warranty on the robot and a six-month warranty on the battery. Sales tax is charged in most states.