Diminishing Jokes

Salesman: Lady, this vacuum cleaner will cut your house cleaning time in half.

Woman: Great, Gimme two of 'em!

*Does anyone know of any other jokes that demonstrate the Law of Diminishing returns? Its for a project I'm working on...

He lost money because of the diminishing rat urns.

An elderly German couple that own a butcher shop are minding the store one day, selling all sorts of meats and sausages when in walks a man with a bird under his arm.
The shopkeeper asks the man if he can help him and the man says "Yes, I would like to trade this bird for a few of your famous s... read more

A man and his economist friend are having lunch.

the man mentions that he's noticed something strange when he buys groceries each week. "I always buy a tub of margarine, but I've noticed that, even though it's the same price every time, there's less margarine in the tub. I can't figure out ... read more

A man's car breaks down and is forced to walk to the nearest phone for help. Unfortunately, being in the country, he ends up walking a ways before he finds a small farm. He knocks on the door and an old Chinese farmer opens the door. The man explains his predicament and asks to use his telephone ... read more