You're 95% pure cents are red brass. Not #1 copper. You might want to find out what red brass prices are before you get too gung-ho with the hoarding. You''ll make a little money, but not what you think... Factor in fuel costs and labor to sort and store them, that number is getting slim...
Alex is a good guy over at coin-flation, but he is by no means an oracle. His theoretical numbers are just that. Theoretical.
Copper has never been traded as a bullion. That term is a recent marketing invention. Bronze and brass will never be traded like precious metals for their copper content. They will be a scrap alloy metal.