Today Only: ECOVACS Robotic Vacuum Cleaners On Sale From Only $139.98! Posted on August 28, 2017 by Jeri Update: Deal over. The prices listed below are valid today August 28, only. ECOVACS SLIM Neo Robotic Vacuum Cleaner for Bare Floor, Smart Robot , APP control, Wi-Fi connected: $139.98 ECOVACS DEEBOT M80 Pro Robotic Vacuum Cleaner with Mop and Water Tank, for Hard Floor, Low-pile Carpet, APP Control, Wi-Fi Connected: $229.98 ECOVACS DEEBOT M88 Robotic Vacuum Cleaner: $249 Share the love: