Woot.com has the Shark ION Robot Vacuum with Wi-Fi Control, RV750 for $99.99 with free prime shipping.

• Works with Alexa for voice control (Alexa device sold separately).
• Self-cleaning Brushroll captures short and long hair, dust, dander, and allergens to prevent everyday buildup in your home
• Smart sensor navigation seamlessly navigates floors and carpets while proximity sensors assess and adapt to surrounding obstacles
• Dual spinning side brushes pull in debris from corners and edges. One-touch activation
• Dimensions: 12.6” (L) x 12.6” (W) x 2.6” (H)