Originally Posted by
niccig
You could try what my BIL did. He went in to buy the car and everytime the salesman came back after talking to his manager and gave a new amount, my BIL would excuse himself saying "I have to now call my manger, my wife." and he would go outside and call her, chat about something, come back in and say "no, my wife won't go for that price. Can you do better? No, you can't, well she doesn't even want me to get this car, and she wants me home, so if you can't negotiate more, then I'll just go" It worked for him. I prefered email as no face to face bluffing - I'm terrible at poker.
HTH