DealFellow via eBay offers the 3.8-lb. Lenovo Flex 4 Intel Skylake Core i7 2.5GHz 14" 1080p 2-in-1 Touchscreen Laptop in Black, model no. 80SA000LUS, for $649.99 with free shipping. That's the lowest total price we could find by $280. It functions as a laptop or tablet and features an Intel Core i7-6500U 2.5GHz Skylake dual-core processor, 14" 1920x1080 (1080p) IPS LED-backlit touchscreen LCD, 8GB RAM, 512GB SSD, 720p webcam, 802.11ac wireless, Bluetooth 4.0, Gigabit Ethernet, HDMI, USB 3.1 Type-A, backlit keyboard, 3-cell battery, and Windows 10.