Some businesses need a whole lot of time -- even a lifetime -- to get going. Take Summum, in Salt Lake City, which bills itself as the only company in the world commercially offering mummification. Since the company's technique was developed, in 1985, more than 100 people have signed up to receive the treatment for $7,000. The only problem: no clients have yet died, limiting Summum's revenue considerably.

-- Leslie Brokaw

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