The aftermarket shells can be very good quality these days, if the original shell is badly scratched up I would just replace it.

Science has gone to far! You wouldn’t download a cat…

Save them as PDFs and store them in your cloud storage or choice or a syncing tool like Syncthing. A basic folder structure can help keep things organised.

No need for anything complicated, for essential documents best to keep its impel and limit the scope of failure.