Newegg via eBay offers the refurbished Asus AC1900 Dual-Band 802.11ac Wireless Gigabit Router, model no. RT-AC68P, for $104.99 with free shipping. That's $10 under our March mention of a refurb and the lowest total price we've seen. (It's also $55 under the best price we could find for a new one today.) This router features speeds of up to 1.9Gbps, two USB 3.0 ports, and five Gigabit Ethernet ports.
No warranty information is provided.