For some reason, when I accidently input more than 1 order, I would go to clear out the "Cart" with too many orders in it to zero and start over again. But when I went to BUY, the cart might have 2, even 3 items in it, so it wouldn't clear out the mistakes. I will assume I was doing something wrong but very aggravating! "Murphy's Law", worked when speaking with Parts so all of a sudden it's ok; just plain WEIRD!