I completely agree. And I don't think it works with pennies. Pennies are heavy and not worth much. You need a 100 of them to get $1. That's a lot of coins. For

I completely agree. And I don't think it works with pennies. Pennies are heavy and not worth much. You need a 100 of them to get $1. That's a lot of coins. For $100 you'd need 10,000 coins and that's going to start taking significant space.[1] There's a reason people don't use pennies a lot. [1] https://m.youtube.com/watch?v=9sJcyRMVufM https://m.youtube.com/watch?v=9sJcyRMVufM