Someone else will point out the typo and ask a question about it.

I simply dump the installed packages into a text file and then use that on the next install.

Pseudo terminal commands:

packagemanager list installed -nodeps >> myfacorites.txt

packagemanager install `cat myfacorites.txt`

You can always export stl or dxf files and use them with other software.

Affinity Suite for Linux would be a game changer.

The alternative to FreeCAD on Linux is OnShape running in the browser.

Backups are a good idea.