Planet13 - 8:38 pm on Feb 24, 2012 (gmt 0)
You DON'T have to tell them the price if you don't want to.
They will take their business (and their money) elsewhere.
Someone else will end up with their money, and you will have the comfort of knowing you didn't waste your time.
Personally, I would rather have the money, but that's just me...