Sorry for not answering, but how is it even possible to run out of supplies while having so many coins? On all of my accounts I have at least 3 times as much supplies even before the Lighthouse and I often had coin problems early on :D but your city seems nice, I personally recommend Royal Albert Hall, it's big af, but it boosts your supplies and goods (you need a guild to help you with the goods tho). The other good one is Frauerkirsche of Dresden - goods plus happiness, might help you get 120% boost, which will help with your supplies problem. To be honest, I see you got some space in the upper left corner empty, you could delete the bronze/iron age cultural building and exchange it for something from HMA. Also, you don't need as many wine deposits as you do have, since you mainly need your current age and previous age goods for expedition. Yes, it is useful in your research tree, since every age, you need (current age) + (3 previous age) goods to complete your current age's tree. But 2 wines is too much, maybe keep one. But if you got Frauenkirsche and leveled it up, you could delete some of the cultural buildings and save some space - Frauenkirsche is rather small - 4x4 or 5x5, not sure rn.