I support this idea. Moving is the perfect opportunity to classify your stuff into useful and wasteful, specially clothes, shoes, and some older electronics. Recycle and donate.
Also, if you have a phone you can turn any document into a digital one, find manuals online and trash the paper ones, etc.
It's amazing when you suddenly feel lighter, and you didn't know you had all that psychological weight on you.
Been using BTRFS since I learned I could squeeze more data on my cheap-ass drive and... It's been 3 years, no problem at all, and I have backups anyway.