Use coupon code SCHOOL at checkout at Kohls.com to drop this iRobot Roomba 620 from $419.99 to $359.99 to $287.99. This item ships free. Better yet, you will also receive $50 back in Kohl's cash, good for use from 8/22-9/5. Customers who login or signup to become a Yes2You Member will also get $5 back for every $100 spent, adding another $10 in gift cash. You can get it on Amazon for $284 shipped if you prefer, but if you take into account the value of the Kohl's cash, this is the better deal. 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.