On Harry Potter the best way to earn money is to kill mobs in the Forbidden Forest. In order to get there easiest, you should throw floo in a fireplace and say ‘hagrids hut’. You can
In order to buy floo, you need to go to Wizeacres Wizarding Equipment in Diagon Alley. You can do /spawn to get to the leaky cauldron, then you need to walk down the street towards gringotts, it will be on your right.
In order to use floo, you should throw it into the fireplace, then you should walk into the fire place if it is green, then quickly say where you place on going. If you say gibberish, it will take you somewhere random, same if you mispell a word.