Periodically backing up your computer is always a good idea. You want to make sure your documents, photos, and files are protected in case of hardware failure, software glitches, or malware attacks.

Once you're done setting up the snapshot schedule, I also recommend installing Tailscale (or better yet, Headscale, WireGuard ...

You can restore your Mac using Time Machine and an external hard drive. Time Machine automatically creates backups of your Mac every hour.