Ask HN: Whom do you trust for a cheap tablet?

Are you aware of anything similar that also has a GPS chip?

I would recommend to flash an Android device with LineageOS and to use it in a degoogled manner, with F-Droid alternative apps [2].

They have a nice list of compatible devices where you can search for upstream support [1] and really nice step by step instructions that explain how to flash the device.

I'd personally recommend to get a used Fairphone (e.g. 3/3 plus/4) because they have decent support and are repairable.

If it must be a tablet, I'd recommend to go for a Galaxy Tab because they are pretty well supported by LineageOS.

If you want a mobile Linux device, there's lots of better and more repairable alternatives when you look in the convertible laptop market.

[1] https://wiki.lineageos.org/devices/

[2] https://f-droid.org/en/packages/