Ok there is a server bank. You can exchange money for items to trade,buy, or sell. Here are the values. Think of them like US bills.
Example Item Quantity: Price
Coal 1:1
Iron Ingot 1:10
Gold ingot 1:50
Diamond 1:100 or 150
Redstone 1: 25
Lapiz Lazuli 1:75
Gold Apple 1:5000
~The Bank Of Hell
Any problems contact LuciferHell through a PM.