Altatac via Rakuten Shopping offers the TP-Link Archer AC750 Dual Band 802.11ac Wireless Router, model no. C20i, for $29.95 with free shipping. That's the lowest total price we could find by $15. This dual-band router features four Ethernet ports, USB port, simultaneous 2.4GHz and 5GHz frequencies, and WEP, WPA, and WPA2 encryption.

Of note, enter coupon code "10BACK" to yield 150 Rakuten Super Points. (They convert to a $1.50 Rakuten Shopping credit.)