Shark tank co-host Barbara Corcoran is famous for selling her business (The Corcoran Group) for $66 million in 2001. You know her from television, but see if you knew these surprising facts about the entrepreneurial legend.

1. Corcoran got her start in the business world just like many others, with a small sum of money. She took $1,000 in 1973 and turned it into a real estate empire.

2. She didn't always want to be an entrepreneur. In fact, Corcoran graduated from St. Thomas Aquinas Collegein 1971 with a degree in education. After one year of teaching, she moved to New York City to pursue other opportunities.

3. Early on, Corcoran realized the benefits of offering more value than the competition. This is why she began publishing The Corcoran Report in the 1970's, a newsletter that tracked real estate trends in the Big Apple.

4. She knows how to balance business and a personal life. In addition to her entrepreneurial endeavors, she has a husband and two children, one of which was adopted.

5. Corcoran is an accomplished writer, with her work appearing in Redbook, The Daily Review, and More Magazine. Furthermore, she is a regular contributor to the New York Daily News. She has also written several books, such as If You Don't Have Big Breasts, Put Ribbons on Your Pigtails.

6. Corcoran was influenced by her father to work for herself, as he worked for somebody his entire life and didn't enjoy a single minute of it.

7. She considers her mother, who was never in the business world but raised 10 children in a two-bedroom home, one of her biggest role models.

8. Corcoran understands the importance of a good education, but often discusses the fact that the formal education system has a way of killing "street smarts."

9. By the time she reached the age of 23, Corcoran had already held more than 20 jobs.

10. Corcoran doesn't discriminate when it comes to investing in companies that pitch on the hit television show Shark Tank. Her investments span a variety of industries, with some of the most successful including Cousins Maine Lobster, Daisy Cakes, Grace & Lace, and Hold Your Haunches.

11. Like all successful business people, Corcoran has a penchant for putting in long hours when necessary. Early in life she worked as a waitress in New Jersey, often times taking on 18-hour shifts as a means of making ends meet.

12. Her husband is a former FBI agent.

13. When it comes to business and real estate, many consider Corcoran the cream of the crop. She does regular appearances on television shows including Good Morning America, the Today Show, and Fox TV.

14. Corcoran has grown her brand to the point of landing several commercial endorsements. She has worked with companies such as The UPS Store, Richard D. O'Donnell, and Housefax.

15. Corcoran doesn't keep all the best deals to herself. Instead, she provides others the opportunity to invest in a variety of companies through her firm, Barbara Corcoran Venture Partners.

16. Corcoran realizes that not everybody is cut out to be an entrepreneur, but does her part in helping people make a decision. Her Entrepreneur IQ Test helps people decide if they have what it takes to be an entrepreneur. She developed this test in collaboration with Green Light Partners and Columbia MBA students.

17. She's a social media star, with more than 335,000 LinkedIn followers, approximately 203,000 Facebook likes, and roughly 281,000 Twitter followers.

18. At the time of its sale, the Corcoran Group was generating annual revenue in the $100 million range. Furthermore, the company employed 850 agents.

19. She is the host of the hit television show "Millionaire Broker with Barbara Corcoran."

20. Corcoran's net worth sits somewhere in the $40 to $45 million range.

21. She has helped many others reach their financial goals, saying the following: "If I could set a world record, it would be that I have 150 business partners, all with thriving businesses of their own that started with nothing and I made the difference to make them all billionaires."