4-Pack TP-Link HS103 Wi-Fi Smart Plugs (Like New) $17 at Amazon $17 $30 Amazon has the Used - Like New 4-Pack of TP-Link Kasa HS103 Wi-Fi Smart Plugs (HS103P4) for $16 with free shipping on $35+ or with Prime. Hub not required; remotely turns on/off plugged in devices. $17 retail: $30 Posted by VanGogh04/18/2026 at 11:17 AM PT