/sell : Usage: /sell (itemID) (Amount) this would sell the item you selected, and the same for the amount. You could also do /sellall (itemID) /price : Usage: /price (itemID) (sell or buy) This would simply tell you the price it would cost to buy something, or to sell something
Yeah, but to sell stuff with the villagers at spawn you have to sell them in the numerals they present. For example, diamonds sell $48 for 1. If you have 3 stacks of diamonds, you have to click "sell diamond" 192 times.