Kohl's offers the iRobot Roomba 620 Robot Vacuum for $319.99. Coupon code "ICECREAM20" cuts it to $255.99. Plus, you'll also receive $50 in Kohl's Cash. (The Kohl's Cash can be used on purchases from June 20 to June 26.) Assuming you use the Kohl's Cash and with free shipping, that's $8 under our mention from last month and tied as the lowest total price we've seen. (It's also the best deal now, after factoring in the credit, by $49.) It features a self-charging home base, side brush, bristle brush, beater brush, brush cleaning tool, and iAdapt sensors. Deal ends June 12.