Only benefit I see leaving them unloaded is if you ever want to sell any of it. Pretty hard to sell reloads.
Or if you’re prone to changing your mind about that ‘perfect’ bullet you’ll shoot forever. Not that looneys are attracted to the new, shiny, better, deadlier, more accurate……..no, not at all. Not me anyway. Except for those couple of thousand .224 I was about to load en masse that I’m having second thoughts about, or those Ballistic Tips replaced by TSXs, or…..