Board bags are good for stashing your stuff. I have a Dakine soft bag that I got for $40. It has boot pockets, room for two decks, my bindings and I can shove both my pairs of pants and jackets in their with room for a hoodie or something else.
If you're concerned about nicks and scratches, yes. If you're concerned about actual substantive damage, probably not. However like others have said, it's convenient because it lets you keep all your stuff in one place.