With this smart plug from Etekcity, you can turn your appliances on/off remotely from your mobile device, or with your voice via Alexa. Or automate the on/off cycle with a schedule. The plug also monitors and helps control energy usage, and the slow drain that occurs even when devices are powered down. With this deal, a 2-pack of smart plugs is discounted 35% down to $38.74, or just under $20 per plug. See this deal now on Amazon.