The clerk said, "You mean two-by-fours, don't you?" The man said, "I'll go check," and went back to the truck.
He returned a minute later and said, "Yeah, I meant two-by-fours." "Alright. How long do you need them?" The customer paused for a minute and said, "Uh... I'd better go check."
After awhile, the blond returned to the office and said, "A long time. We're gonna build a house.