I wouldn't use any of those because the day may come when you need his job to get thru a lean time...or need him to not say mean things about you to other potential customers.
I generally like to give them the impression that I would love to take on their job...but circumstances beyond my control won't allow it.

Remember - Salesmanship is all about telling someone to go to hell in a way that makes them look forward to the trip.


Ghost307