In my earlier days of running Linux
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Honesty just make /home a different partition.
Has saved me so much trouble in changing distros on my laptop.
I’ve settled pretty well on Fedora at this point but that’ll probably change at some point (mostly because I don’t like Ubuntu much and I work in a mostly RHEL shop)
This is exactly what I have done on my personal installs. Saves so much time when there is a problem or when you just feel like distro hopping.