Best Buy via eBay offers the open-box Lenovo Yoga 710 Intel Kaby Lake Core i7 2.7GHz 15.6" 4K Touchscreen 2-in-1 Laptop in Black for $773.99 with free shipping. That's $271 below our mention of a factory-sealed unit from last month, $476 off list, and the lowest price we've seen. It features an Intel Core i7-7500U 2.7GHz Kaby Lake dual-core processor, 15.6" 3840x2160 (4K 2160p) LED-backlit touchscreen LCD, 16GB RAM, 256GB SSD, Nvidia GeForce 940MX 2GB graphics, 802.11ac wireless, 4-cell battery, and Windows 10 Home 64-bit.

Note: A 1-year warranty is included, but it's unclear who backs it.