Let's say you've already slashed your family's spending in the conventional ways, but you're still looking for ways to discover deals, save cash, and make extra money. Check out these eight surprising money-savers from Leah Ingram, author of the blog Suddenly Frugal.

7. Never buy books or DVDs again
With PaperBackSwap, you can receive free books when you give your old ones away. The only expense is a small shipping charge when you send your unwanted books to someone else. PaperBackSwap has two sister sites offering a similar service for CDs and DVDs.