I use an external USB HD and automate my backups with rsync and cron. Works great. Here's a blog post showing everything from which drive I use to the backup s

I use an external USB HD and automate my backups with rsync and cron. Works great. Here's a blog post showing everything from which drive I use to the backup script: https://nickjanetakis.com/blog/automatic-offline-file-backups-with-bash-and-rsync https://nickjanetakis.com/blog/automatic-offline-file-backup... I've been using this strategy for about 20 years and it hasn't failed yet. Although in the older days I had a slaved HD and also used CDs on occasion. I would never trust a consumer grade USB flash stick. I've had so many fail on me over the years.