For its newsletter subscribers only, newegg offers the Linksys Powerline HomePlug Gigabit Ethernet Kit, model no. PLEK500, for $119.99. Coupon code "EMCXMWT65" drops it to $99.99. With free shipping, that's the lowest total price we could find by $17. These adapters plug into a wall power outlet to expand your home network without having to run Ethernet cables through your house and support up to 500Mbps data transfer rate. Deal ends August 19.