Some people will do anything to save money, and I am one of them. Take our last vacation as an example. It was my six-year-old son's winter vacation. After a week's trip, we were on our way home from Fort Lauderdale. The plane was overbooked, so Delta Airlines offered to provide people who canceled their seats with a credit of 4 dollars per person and the opportunity to return the next day. I have a meeting in new york, so I have to go back. But that doesn't mean my husband and son can't stay. I boarded the plane with my nine-month-old child and went home.

The next day, my husband and son got on a later flight, so they received more credit points. Yes, I encouraged (well, actually ordered) them to wait for the opportunity at the airport to "earn" more money from Delta. We always pocket $1,6. Not bad, huh?