I think that’s pretty much it. Future proofing seems to be the idea I’m getting, that and customisations/custom firmware. I used to have custom screensavers on one many years ago, which I’m going to do again.

Not a recommendation, saying mine is not too old. Random info as part of discussion.

I’ve got an old Kindle, but not too old, which I jailbroke just yesterday with Winter break. I recommend that method for those considering getting drm free usage out of their device (instead of it contributing to ewaste).