Gladys Edmunds' Entrepreneurial Tightrope column appears Wednesdays. As a single, teen-age mom, Gladys made money doing laundry, cooking dinners for taxi drivers and selling fire extinguishers and Bibles door-to-door. Today, Edmunds, founder of Edmunds Travel Consultants in Pittsburgh, is a private coach/consultant in business development and author of There's No Business Like Your Own Business, published by Viking. See an index of Edmunds' columns. Her website is www.gladysedmunds.com. You can e-mail her at email@example.com.