I've been asked about this at work, it's a tricky topic. I've always
recommended that a turner get "market" price. I define market price
for what a local pro would get. Yes, a 30 year veteran gets say $150
for a peppermill, thats what I suggest, and it's up to the buyer to
decide if it's worth it or not. Some people I just don't belong in the
business, others should charge above market. For myself, I'd rather
find out how to be honest to both.