What is your quote success rate?

[Best]

That why you ask questions.

David: Are you seeking quotes?
Punter: Yes. 3/4 or more
David: Apologies, but I'll not bother then. If I'm ever the lowest price I've messed it right up. I do the same job for you I'd do in my own home so it's never going to be the cheapest. I couldn't stand the grief off my wife.
Best wish you good luck then.
Punter: But...

If you do say similar to that to the potential customer, you will get the offer of some of the jobs.