This is why I built a home media server with Jellyfin and Navidrome. Nothing will "go away", short of a fire or multiple drives failing at once. I keep a physical copy in a separate house, and back up the essentials with duplicacy to backblaze b2.
In the last few years I've spent more than ever on cds through discogs.com.
"Sadly that option is becoming less and less possible as many shows become streaming platform exclusives."
Certain websites say otherwise. Luckily my main focus is music, where nearly everything I want is already in the used market, so the original artist won't see any money.