Proper Response - "That would be like designing a book cover without knowing the size or shape of the book, or even the contents."
Proper Response - "Will it take 5 minutes or less? If not, I will have to charge by the hour."
Proper Response - "It is. Go ahead and edit it if wish to."
Proper Response - "Sure, but I will have to charge you by the hour. How many versions do you want?"
Proper Response - "Depends. What is it you want me to change?"
Proper Response - "Sure, if it takes less than 5 minutes. More than that and I have to charge by the hour."
Proper Response - "You know that is copyright infringement right?"
Proper Response - "Do you own the rights to that image? If not, then no."
Proper Response - "Sorry, my husband/wife wants to go out this evening and see INSERT MOVIE TITLE here. Have you seen it yet? Was it any good?"
Proper Response - "Would you like me to do half the work and give it to you half-finished?"
See also:
Confessions of a Designer