Only advice I’d give is look into large-format e-readers, so e-ink tablets basically. Much better having more text on the screen. There are a lot of fly-by-night Chinese brands making 10.3" 227 dpi android-based e-ink tablets these days. Boox is fairly reputable. There’s also the remarkable tablet if you want pen input.
the woke military makes them carry so many books listing all the genders that they can only fatroll for bad iframes now