Amazon has the Apple iPad Air 256GB Wi-Fi 10.9" Tablet (Rose Gold, MYFX2LL/A) for $639 with free shipping. List price: $749. Features Retina display, A14 Bionic chip with Neural Engine, Touch ID, 12 MP back camera; 7 MP front camera. Support for Magic Keyboard, Smart Keyboard Folio, and Apple Pencil (2nd generation).
Has excellent Amazon Reviews.
Amazon has the Unlocked Microsoft Surface Duo 256GB Android Tablet (Glacier, TGM-00001) for $730 with free shipping. Features dual pixelsense fusion displays, 360° hinge, Android 10.0.
Has good Amazon Reviews.
Amazon has the Apple iPad 10.2" 32GB WiFi Tablet, 2020 model (several colors) for $299 with free shipping. Features A12 Bionic chip with Neural engine, 10.2" retina display, support for Apple Pencil (1st generation) and Smart Keyboard, 8MP back camera, 1.2MP front camera.
Walmart has the Apple iPad Pro M1 128GB Wi-Fi 12.9" Tablet (Space Gray, MHNF3LL/A or Silver, MHNG3LL/A) for $999 with free shipping. The latest 12.9" iPad Pro features the fast Apple M1 processor, Thunderbolt support and the "Liquid Retina XDR" mini-LED display.