Sells for $199 at Amazon with decent reviews: https://www.amazon.com/ILIFE-A4s-Robot-Vacuum-Cleaner/dp/B01N9P4NH5/ref=sr_1_3?ie=UTF8&qid=1519746109&sr=8-3&keywords=ilife+a4s?
I have seen it go as low as $126 on Newegg.
https://www.woot.com/offers/ilife…um-cleaner