ECONOMY:
type:
/money ( you will see your ballance : RainbowCoins )
/money ? ( more commands )
Gold ignot price: 500.00 RainbowCoins
Commands to sell/buy Gold ignot:
/gsworth || /gsprice - displays the current sale price for the item
/gssell || /gsell [Block Option] - sell x of item taken directly from your inventory

The block options are ~ and *
Append the special character to the end of the amount like so:
/gssell 20~ - this sells 20 of the item in your inventory and counts blocks as 9x where applicable
/gssell 20* - same as ~ but will return your "change" in blocks if applicable
These characters do nothing if not applicable or not allowed

/gsbuy || / ... Read more »