Walmart: iRobot Roomba 670 Wi-Fi Robot Vacuum for $199 (Reg. $330) February 3rd, 2021 By Nicole This post may contain affiliate links, which means I will make a small commission if you click and make a purchase. Walmart.com has this iRobot Roomba 670 Wi-Fi Robot Vacuum for $199 right now, regularly $330! Auto-Adjust Cleaning Head Dirt Detect Technology iRobot HOME App Get FREE shipping or FREE in-store pickup. Click here to grab it.