WiFi Family via Amazon offers the Meross WiFi Smart Plug 4-Pack for $42.99. Coupon code "37XMUNMV" cuts the price to $30.09. With free shipping, that's $13 off list and the lowest price we could find. They feature wireless remote control, voice control, timer, and work with Alexa and Google Home. Deal ends July 15.

Need less? The 2-pack is also available for $16.79 via the above coupon code.