There is no easy way - no shortcuts
- [root tip] Use systemd to mount ANY device
- [root tip] Move my home (content) to another partition
- [HowTo] bulletproof your personal effects (save your stuff!)
Over the years I developed a system of separate partitions and mount units and a few scripts. That system makes it a piece of cake to reinstall the system - in fact from I decide to reinstall until I am back in business - 10-15 minutes - give or take - never more than 30m.