eBay has the Microsoft Surface Pro 3 Intel Core i3 64GB 12" Tablet for $450 with free shipping. Retail price: $799. Features Windows 10, 12-Inch Display, Intel Core i3 1.5 GHz Processor, 64 GB Flash Storage, 4 GB RAM, 1.76 pounds, 36W Power Supply and Surface Pen Included; Keyboard sold separately.
Has good Amazon Reviews, where it sells for the same price.
Amazon has the Dell Inspiron 13 7000 8th Gen Core i7 FHD 13.3" 2-in-1 Laptop for $800 with free shipping. Features Intel Core i7-8550U 1.8GHz Quad-Core, 8GB DDR4, 256GB SSD, 13.3" FHD IPS Touch (1920x1080), Intel UHD Graphics 620, 802.11ac, Bluetooth 4.2, USB 3.1 Type-C, Windows 10 Home 64-bit.
Staples has the Apple iPad 9.7" 32GB (silver, space gray, or gold) for $289 with free shipping. List price: $329. Features 9.7-inch Retina display, wide color and true tone, A9 third-generation chip with 64-bit architecture, M9 motion coprocessor, 1.2MP FaceTime HD camera, 8MP iSight camera.