"Artists Beware"

Going just on what I see here, she's being rather rude to you, when she's the one who's not displaying common courtesy in replying to a customer's inquiries. The nerve of some people....You were definitely not being impatient at all, if you waited several months to even ask about the status of your commission, if you were polite about it. I think I'd get my money back and go to someone with a bit more in the way of manners. She might prove difficult to work with in other ways as well.