The redemption rates of Coupons.com is 18% compared to 0.6% for newspapers, Boal says.
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According to Coupons.com, the city of Atlanta is the most frugal city in the nation.
FORBES: What is the most frugal city in the United States?
Other Web sites, including Coupons.com or AOL's shortcuts.com, offer free, downloadable coupons as well.
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