Newegg through ebay has the Asus RT-AC1200G Dual-Band 802.11ac Wireless Router for $39.99 (79.99 – 40 instant savings) with Free Shipping for a limited time.

The Asus RT-AC1200G features 802.11ac and concurrent dual-band connectivity that delivers up to 1167 Mbps data rate, four fixed 5dBi antennas, four Gigabit Ethernet LAN ports, and built-in parental controls.