Amazon has the 3-Pack TP-Link HS103 Wi-Fi Smart Plug Lite (HS103P3) for $30 - $10 off coupon (clip extra savings coupon applied at checkout) = $20 with free shipping on $25+ or with Prime. Features controlled via a Kasa Smart app or voice controlled via Amazon Alexa, Google Assistant, or Microsoft Cortana. With the Kasa Smart app you can turn any small electronics or appliances, up to 12 AMPs, on and off from anywhere.
Has excellent Amazon Reviews.
For select accounts only (YMMV). Amazon has the Amazon Fire TV Stick 4K with Alexa Voice Remote (3rd Generation 2018 model) for $50 - $25 off with coupon 4KFIRETV at checkout = $25 with free shipping.