Ebay offers Refurbished Shark RV765 Ion WiFi Robot Vacuum for $94.99 (reg $259.99) with free shipping.

Product Description:
The Shark ION Robot is designed with a Tri-Brush System, combining side brushes, channel brushes, and a multi-surface brushroll to handle debris on all surfaces, corners, and edges for deep carpet and floor cleaning. Use the SharkClean app or voice control with Alexa or Google Assistant to start cleaning from anywhere.
Highlights

• THREE BRUSH TYPES. ONE POWERFUL CLEAN: Tri-Brush System combines side brushes, channel brushes, and a multi-surface brushroll to handle debris on all surfaces.
• COMPLETELY INTEGRATED IN YOUR HOME: Shark ION Robot senses ledges and stairs, avoids damaging furniture and walls, and maneuvers around potential stuck situations, truly knowing your home
• CLEAN FROM YOUR PHONE: SharkClean app lets you start and stop cleaning and schedule your robot to clean whenever you want.
• EASY VOICE CONTROL: Use Amazon Alexa or Google Assistant to easily make the robot clean at your command in your connected home.
• 120 MINUTE RUNTIME: Whole-home, floor-to-carpet cleaning for up to 2 hours. ·  BUILT, TESTED, AND PERFECTED: Shark puts their robots through rigorous testing, performing thousands of hours of real-life use to give you a reliable, ultra-powerful clean.