TP-Link HS110 V2 Smart Switch with power usage monitoring - $15.99 each

https://rover.ebay.com/rover/1/711-53200-19255-0/1?mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FTP-LINK-HS110-V2-Smart-Plug-with-USB-Charging-Port-Wi-Fi-Enabled-Control-Your%2F303176103065%3Fhash%3Ditem4696b43499%3Am%3AmbJyqcXCMi-rJ-polZIubqg&campid=5338535236&toolid=20008

Monitor your wattage at the wall with the app, just like you would with a Kill-A-Watt. Also has a USB port for charging other devices.

$15.99 each in checkout