Are you interested in buying this?
I'm thinking about it.
Do you have any questions about it?
Can you show me the stain?
Yes I can show you a picutre of it. 
You said it could be buffed out. If you buff it out for me, I will give you $250 for it.
You know what? I will take that deal. It'll be buffed out for you. 
Great, thanks!