As one of its daily deals, Best Buy via eBay offers the 4.2-lb. Asus Intel Kaby Lake R Core i5 1.6GHz 15.6" Touchscreen 2-in-1 Laptop for $629.99 with free shipping. That's $200 off list and the lowest price we could find. Deal ends today. It functions as a laptop and a tablet, and its features include:

Intel Core i5-8250U 1.6GHz Kaby Lake R quad-core processor

15.6" 1920x1080 (1080p) LED touchscreen

12GB RAM & 1TB hard drive

Windows 10