Here's a handy recipe for your friend: go to a blind tasting. This way, they will probably find out that they really can't tell a $15 coffee from a $150, or a $500 machine from a $ 5,000 one.
Works like a charm with wine: I know a lot about it, can maintain a conversation for hours, but will never buy anything above $50/bottle except for a gift.
Works like a charm with wine: I know a lot about it, can maintain a conversation for hours, but will never buy anything above $50/bottle except for a gift.