Do not put your chin in the same room as the snake or lizzards, As for food depends on what the chin is on now. Chins do not take water baths as this will cause fungus. Dust only. Cage I would go a Chinchilla Mansion from
http://www.qualitycage.com/chinchilla.html , also on the bottom of the page you will see a wheel that is safe for chins.