That's not reasonable. The "negotiation" is literally built into the price, essentially both sides assume there will be as a nominal discount, and if there isn'

That's not reasonable. The "negotiation" is literally built into the price, essentially both sides assume there will be as a nominal discount, and if there isn't one you're actually overpaying. So telling people "just don't negotiate" is about as reasonable as telling people "just don't tip" in mandatory tipping situations, it is a nice concept but ignores the economic reality of people trapped in the messed up system.