Lenovo has the Yoga Pad Pro tablet in China for CNY 3,300 (US$515). Some of its key specs include a 13-inch LCD panel, a Snapdragon 870 SoC, 8GB RAM, 256GB storage, and a 10,000mAh battery. One can use the tablet as an external monitor, too, via the included micro-HDMI port.
https://www.notebookcheck.net/The-Lenovo-Yoga-Pad-Pro-is-now-official-in-China-with-a-micro-HDMI-port-built-in-kickstand-16-10-display-and-more.541086.0.html
No rear camera is ok but then selfie camera should be 13 MP or better. Also, no microSD slot, no 3.5mm jack.
The kitchen hook seems like a good use case at first, but paired with that alcantara finish at the back ?? Who wants a greasy sticky mess after a week ?