Benny was talking to his best friend Harry. “You know Harry, I can’t understand why you failed in business. You had such good ideas.”
“Too much advertising was the main reason for my failure,” replied Harry.
“But I can’t remember you spending a penny on advertising all your life,” said Benny.
“You’re correct there,” said Harry, “but all my competitors did!”
From Oy! The Ultimate Book of Jewish Jokes, by David Minkoff