re: Atypical things you don't pay retail for...

Depends on the situation. For the most part, I pay what's asked or don't buy from that business. I obviously haggle on big purchases like cars. I'm currently in the market for an automatic watch. I have a price in my head of how much I want to pay based on a reasonable markup from the grey market price. I've walked into several jewelry stores and walked out with no watch. That said, I would never sit there and argue with the person behind the counter.