you might want to check craigslist also in your area,someone might be selling a few
i purchased 60 .30cal cans from a guy on CL for 4bucks ea.all where in great shape.. wish i would have bought all he had,like 200cans
try & keep your ammo cans as full as possible,less space, less moisture & if you run out of silica gel packs,dump some uncooked rice into a sock,cloth bag,ect. it works just as good if not better than the silica packs

works on drying out wet cell phones also.