IMHO, I think the auto-trade options could have one more useful option: Buy from market if warehouse is empty. This option seems to complement the other options already available, and I can't see how it could hurt the game overall. Sounds good?

I think this will happen automatically when the warehouse has no more resources. If not, let me know. Perhaps we should update the option title as it seems a bit confusing (Unload from Warehouse - Never buy).

I will provide more details once we verify what happens. If you just can't wait, feel free to explore for yourself and let me know.