I still have the black wooden chest my great-grandmother and her son (my grandfather who only died last year) kept all their belongings in when they fled westwards from the Russian army in 1940s Germany. The chest itself was probably built quite a while before that, but I don't know how old it is exactly.
I fold up my pants and place them on there every night.
Keeping it offline is 100% the right call. My 250€ Kindle Oasis (1st Gen) became unusably slow after the last major update. Constantly freezes. This was marketed as a premium device, and you can't even upgrade because Amazon killed the line. My next e-reader won't be Amazon, but it sucks that I'll lose all the notes I've had on there since I got my first Kindle in 2009.