Bukkit

This is a tutorial on how to add structure boxes to an admin shop. It is important to use a plugin that supports custom items

With ChestShop:

1. Place down an admin shop sign with this text:

1st: Admin Shop

2nd: amount to sell

3rd: Price (cn be both buy and sell. Buy price is B <price>, sell price is S <price> and : is a separator)

4th: ?

 2. Then right click the sign with the structure box

With QuickShop:

1.  Place down a chest, make sure you are in survival mode, then left click the placed chest with a structure box in hand
2. Type the buy price in chat and hit enter while looking at the chest
3. Then type /qs unlimited while looking at the same shop in 1. to make it unlimited

With dtlTraders:

1. Create a new shop by typing /traders create <name>
2. Link this to an existing NPC, or spawn a new one
3. type /traders edit and select the shop in the GUI to edit it
4. In the GUI that appears, select "Change contents" and add the item to the appearing sell/buy/trade GUI.
5. Exit the GUI, and select "Change content functions", then the structure box you added in step 4.
6. By default, the item will be a "static item". Choose the option "Tradable item"
7. After exiting the GUI, select the "change trade price" and enter a new trade price in the new anvil GUI, then choose the item in the output slot