1. Place a chest 2. Shift-Click that chest with a sign 3. On the first line, write [shop] (include the brackets) 4. On the second line, write the amount of what you are selling/buying. (For example, if its a 2, I'll buy/sell 2 of that item) 5. On the third line, write the price of what you are selling/buying. 4. On the fourth line, write "Sell" or "Buy" depending on what kind of shop that you want. 5. Click the sign with the item that you want to sell/buy 6. If you are selling, you need to have stock for your shop, so put your stock in the chest (nobody can steal it if its in a protected area) That is it. Thank you for Reading.