“Whoever said that money can't buy happiness, simply didn't know where to go shopping”
“People who say that money can't buy happiness just don't know where to shop.”
“Whoever said you can't buy happiness has never been shopping.”
“I guess money can't buy happiness if you shop in the wrong places.”
“Whoever opined "Money can't buy you happiness" obviously had far too much of the stuff.”
“Whoever said you can't buy Happiness forgot little puppies.”