Another proof that the supplies system is unbalanced and requires RQs: I need 60+ residences for my city, that allows me to produce over 3M in coins per day. Normally, coins vs supplies is a 10 to 1 ratio everywhere in the game. So, a good balance would be to be able to produce 300k of supplies per day, no? And look at that, that's how much supplies I need each day. But no, the workshops simply don't produce enough supplies. Hence why we need RQs.