B&H Photo Video offers the TP-Link Kasa Smart WiFi In-Wall Power Outlet and Light Switch Kit for $74.95. Clip the 33% off coupon on the product page to drop it to $49.99. With free shipping, that's the lowest price we could find by $25. Each unit is compatible with Alexa and Google Assistant, as well as the Kasa Smart App for iOS and Android devices. Note: It's temporarily out of stock but can be ordered now. (It's expected to ship in 7 to 14 business days.)
This simple preventive measure takes just seconds to perform.