Vacuum Cleaner Salesman

A little old lady answered a knock on the door one day, only to
be confronted by a well-dressed young man carrying a vacuum cleaner.
Good morning," said the young man. "If I could take a couple of
minutes of your time, I would like to demonstrate the very latest in
high-powered vacuum cleaners.

"Go away!" said the old lady. "I haven't
got any money!" and she proceeded to close the door..

Quick as a flash, the young man wedged his foot in the door and
pushed it wide open. "Don't be too hasty!" he said. "Not until you
have at least seen my demonstration." And with that, he emptied a bucket of horse manure onto her
hallway carpet. "If this vacuum cleaner does not remove all traces of this
horse manure from your carpet, Madam, I will personally eat the
remainder."

The old lady stepped back and said, "Well I hope you've got a
damned good appetite, because they cut off my electricity this morning.."