Actually you can sell any amount of items, money will reset anyway. It is huge exploit, but maybe done to optimize performance. Exploit is: you can sell ALL of your items to your caravan, and eventually it will sell all of them to cities. By now you get something like 10% of caravans money every day. It is huge when caravan have over 400k, yo get 40k by day. Working in 1.1.2 Main.