Dog Walkers Are Making Over $100,000 in New York City - The New York Times
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The Life-and-Death Business of Being a Dog-Walker, Rich Woodson
How These Dog Walkers Make Over $100,000 a Year : r/nyc
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Will Your Dog Get Dementia? A Large New Study Offers Clues. - The New York Times
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Even In Recession, Dog Walkers' Hands Are Full : NPR