With Remus as his lawyer, Harry negotiates and signs a contract regarding his agreement with the goblin kingdom. According to Griphook, the goblins will begin mining gold and minting galleons immediately. As soon as he has handed over the sword, the galleons will be transferred directly to his vault. For now, Remus is lead away to negotiate his own employment (which he was almost in tears over while thanking Harry for thinking of him when Harry explained it to him).