i think, so im just guessing, that thye disappeared becausethey had reached the end of the journey, but instead of the whole "orpheus turning around" thing, and im good withgreek mythology, that it actually went through from the future to the past, like a time convert. when he went to the underworld, it stopped time in its tracks in teh upper world.when he got back nothing had happened in the upper world.
heres 2 easy ways to get money. 1. play catch with him (which means throw a baseball at his hand). 2.put a lot of rubber balls in there plus strong gravity and fireball.