Walmart has the iRobot Roomba 670 Wi-Fi Connected Robotic Vacuum Cleaner for $197 (regularly $329) with Free Shipping for a limited time.
Connect to clean from anywhere with the Roomba 670 robot vacuum. The 3-Stage Cleaning System and Dual Multi-Surface Brushes pick up everything from small particles to large debris. The patented dirt detect sensors alert Roomba to work harder on concentrated areas of dirt, such as high-traffic zones of your home. It has a full suite of intelligent sensors to guide the robot under and around the furniture to help thoroughly clean your floors. The edge-sweeping brush is specially designed at a 27-degree angle to sweep debris away from edges and corners. You can clean and schedule from anywhere with the iRobot HOME App; compatible with Amazon Alexa and the Google Assistant. It is capable of running for up to 90 minutes before automatically docking and recharging.
Walmart has the iRobot Roomba 680 Robotic Vacuum Cleaner for $264.99 (regularly $349) and the more advanced iRobot Roomba 680 Robotic Vacuum Cleaner for $399 (regularly $699.99) with Free Shipping for a limited time.