Sentence:  Why spend a small <WSD>fortune</WSD> on Puma when you could buy Numa, Tuna or Pigg? And why buy Adidas when you can buy Adidos or Avivas? Nike, when there's Nire or Hike? Calvin Klein, when clearly, Calvim Klain or Cavern Kernel are just as good? But remember, after a good workout, be sure to clean up with some Okay shampoo. 
Meaning of the word marked with <WSD> tags:  A large amount of money.