Acer Recertified via Rakuten offers the factory-refurbished 1.98-lb. Acer Intel Skylake Core i5 2.3GHz 12" Laptop, model no. NT.LCDAA.010, for $499.99 with free shipping. That's $79 under the lowest total price we could find for a new unit elsewhere. It features an Intel Core i5-6200U 2.3GHz Skylake dual-core processor, 12" 2160x1440 (1440p) IPS LED-backlit display, 8GB RAM, 256GB SSD, 802.11ac wireless, Bluetooth, and Windows 10 Home 64-bit. A 90-day Acer warranty applies.
Of note, this order qualifies for 2,500 Rakuten Super Points. (They convert to a $25 credit.)