At eBay, use promo code “BRANDS20” to get this refurb iRobot Roomba i4+ EVO Self-Emptying Robot Vacuum for $133. It’s the best-ever deal we’ve seen for this model in any condition. It includes a self-emptying base, Wi-Fi and Alexa compatibility, and a 2-year warranty backing the refurbished unit. Coupon ends August 16. Buy Now at eBay