7 Female Founders on Closing the Deal

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Sara Blakely of Spanx

Make sure they get what you're doing.

No one knows this better than Blakely, who invented Spanx and had to search for a patent lawyer and hosiery supplier in a world of men.

"You could see me trying to explain to the men how I am going to change the world and make women's butts better and that this is going to be the idea that everyone would love," she says.

Two weeks after being rejected by every hosiery mill she visited, Blakely received a mysterious phone call.

"'Sara, I have decided to help make your crazy idea,"' the mill owner said. When she asked about his change of heart, he admitted, "I have two daughters."