1. Place a chest on the ground
2. Place a sign in front of the chest.
3. On the sign, write:
The first line will be automatically filled with your name.
The second line is the number of items to buy or sell
The third line is a combination of buy and sell prices. You need to have a price indicator (like 'B' - price that will apply to items BOUGHT by PLAYERS - or 'S' - the SELL price) near the price - the prices are separated by a colon :
Some of the possible price combinations: "B 5:S 5", "B 5", "S free"
The fourth line is for the name of the item.
Optionally you can write ? on the fourth line and it will be auto-filled with the one from the chest.
You can click on the sign with the item to set the item type being sold/bought.
Others can buy 50 dirt for 420 and sell 50 dirt for 69
