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The Manhole Cover Picker-Upper

Dave Roberts, 51, who spent 25 years lifting them while working for waste-water authorities in Minnesota’s Twin Cities, decided to find a better way.


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Entrepreneur Creates Low Cost Housing Alternative

An entrepreneur from New Mexico has a creative idea for low-cost housing.


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Niche Biz: A Giant Sandbox

A few years ago, Ed Mumm bought a piece of property in this stunning ski town and rented an excavator to clear the land.