Amazon with TanTan Direct has a 4-pack of the Gosund Wi-Fi Smart Dimmer Single-Pole Light Switch, Neutral Wire Required (Works with Alexa & Google Home, No Hub Needed) for $80 - $5 off coupon (check "Apply coupon" box) - $28 off with code T74NUYFM [Exp 11/21] = $47 with free shipping.