Potter Child

After the Dementor attack, Harry goes to Gringotts to find out his monetary options in case his wand is snapped. He gets more than he bargained for. Where in Merlin's name does all the money come from? ! What did the Weasley twins do if that is his account after investing in them the previous summer? ! And what does the goblin mean, Hogwarts is taken care off? ! Crack!