Put an end to those small money drains that you barely notice, and you could save hundreds -- or even thousands -- of dollars a year.
Not using the data you pay for
The leak: $360 a year
The plug: The average family of four uses about 1.6 gigabytes of data a month, according to Billshrink.com, though many pay $90 for 8 gigs. Track your usage to see if you can make do with a $60, 2-gig plan.
Nervous about overages? Use alerts or apps to keep tabs. Carriers have their own apps, or try DroidStats Android (free) or DataMan for iPhone (99¢).