February 28, 2014 4:52 PM

Janet Patton: knowing when to buy a lot of something key to 'making money'

Ever hear this piece of investment advice, "You've got to spend money to make money"? It's usually said by someone trying to sell you something. I have, and it goes against my every tight-fisted instinct. How can I be sure that I will make back the initial outlay? This is exactly how you need to evaluate one common household money-saving strategy: couponing.

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