Barriers to living in more remote areas with high quality of life are being removed, but self-sufficiency is important. Changes in macOS do not help.
How not to lose data, and how to protect private and sensitive data, when your Mac goes off for repair.
Don’t let a repairer see a dirty Mac: they may refuse to complete the repair under warranty. Give it a clean first.
Enjoy being a computer owner-user-maintainer while you can: those days are NUMbered.