I saw your ad about your car. Would you take 1800 cash? 
I think that's a bit too low. Look at my cars sweet aerodynamics
I know. It was an insult of an offer, but I had to try. And yeah, the wagon factor is NOT lost on me. It's a good looking car. Would you consider 2000? (Still too low. 2200?)
I would be willing to take $2,500 and I could drop the car off to you in person
I was hoping for closer to 2250, but I could probably accept a higher price . . . Ha! Whatevs. You got a deal. 2500!
Great.