you need to remove stickers in a way that you can replace them, if you want to keep them looking good
You need to undo glue, iFixit used isopropyl alcohol and force
Once you’re in its fairly easy to replace parts, but Nintendo don’t supply parts
Batteries are glued down, you need to destroy the foam beneath them to get the batteries out, Nintendo don’t sell replacement foam, or even a specification for the foam
Yeah, it is harder to do. Specifically
By being harder it will be more costly to repair
Oof.