Ebay has a Extra 20% off Certified Refurbished iRobot using Coupon Code: IROBOTSAVE,  Free Shipping on most items. Expires: 10/8/2023

iRobot Roomba i4 EVO Vacuum Cleaning Robot - Manufacturer Certified Refurbished $174.99 - Coupon = $139.99 Free Shipping ($449) - 2 yr warranty.

• Most items are direct from the factory
• Two-year warranty on most items, through Allstate

This Coupon is a 20% discount on purchases of eligible items from the specific seller(s) listed below, valid from 5AM Pacific Time on October 2, 2023, through 11:59PM Pacific Time on October 8, 2023. No minimum purchase required. The Coupon discount is capped at a maximum value of $100. Discount applies to the purchase price (excluding shipping, handling, and taxes) of eligible items purchased on eBay.com.

iRobot is one of the most well-known and respected manufacturers of robot vacuum cleaners, and their Roomba series of robot vacuums are among the top-selling and most popular options on the market. Whether iRobot makes the "best" robot vacuum for you depends on your specific needs and preferences.