As one of its daily deals, Amazon offers Prime members the TP-Link AV500 2-Port Powerline Starter Kit, model no. TL-PA4026, for $31.49 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $8.74.) That's the lowest total price we could find by $11. It features speeds of up to 500 Mbps, 1-touch 128-bit AES encryption, and LED power and signal indicators. Deal ends today.