Celebrity Lessons in Selling

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Suzanne Somers Stand by what you sell. And smile.

The Three's Company star has been the subject of much criticism for her weight loss products, supplements, books, and advocacy for hormone replacement. On an episode of "Oprah," she even showed viewers her daily health routine that included 60 pills and hormone injections. But the woman who once hawked the ThighMaster has racked in millions, and her books have become bestsellers. We're not saying you should advocate potentially dangerous products—but always believe in what you're selling. —Elizabeth Sile