Light in the Box offers the Xiaomi Mi Robot LDS SLAM Smart Vacuum Cleaner for $278.99 with free shipping. That's $20 under our July mention and the lowest price we could find by $21. This app-controlled robot vacuum features intelligent route-planning.

Note: This item ships from China and may take two to three weeks to arrive. Uncheck "Add Shipping Insurance to your order" during checkout to remove the $5.99 fee.