Or we could all just have dusty windows!
And do you know, I didn't have a contract with my last builder, two years ago. He came highly recommended, so just let him get on with it! All I have is his written quote, and receipt for payment.
Maybe that's what we need from window cleaners, a written quote and statement of what exactly they are prepared to do. And a receipt.
Being quizzed by chemist's assistant in Boots.