You start off with a class. See if you like it or not. Otherwise, you'll need a studio and about 2-3k for equipment. It's hard work man.
guy above; do you know where i could take a glass blowing class? it sounds like a alot of fun, also 2-3k isnt to bad would that get you the torch and all the other nic nacs to do worked peices and straight up bongs.