For a limited time, you can buy the TP-Link Kasa Smart Plug for only $8.99 (40% off) when you use coupon code 40KASAPLUG to save $6 on your order. Get FREE Super Saver shipping on orders of $25 or more (or with Amazon Prime).
With the Kasa Smart Wi-Fi Plug Lite you can control smaller electronics, up to 10 AMPs, from anywhere with the Kasa Smart App. Manage fans, lamps, and other small electronics conveniently from your smartphone. Even use simple voice commands with Alexa, Google Assistant or Microsoft Cortana to control your lite smart plug.
Be sure to check out all the Amazon deals that I've been posting for some great deals
Please note: Amazon prices tend to change quickly, so be sure to check the price before you buy.