I've got one I deliberately rusted up for the aged look but generally speaking I don't like rust either. If I had a rusting problem I'd be more anal about cleaning.
and then back in the safe which has two Rem-Dri bags and a continuous 13w light bulb to keep them at 78°.
Mine get put in a steel cabinet, some are stored in leather holsters which I always heard was a no no too. If it's cold they're cold. If it's hot they're hot.