I spent weeks studying and went back and forth between yes and never mind, it was probably a bad idea anyways, but then I just bought everything for its enclosure and decided that there is no backing doWn at this point. Just go for it!
Well if he's a veiled, I would look for tarsal spurs ( little bumps) on the back of the two hind feet. If you see them, it is male. If not... Well, you get it.
Depends. If you secretly borrow one from a store somehow, it would be free and only a couple of weeks of figuring out how to smuggle a computer out of a store.