Today marks So Money's 500th episode! Can you believe it? To celebrate, I'm sharing the 6 pieces of advice that's made me richer from previous guests including Tony Robbins, Seth Godin, Barbara Stanny, Jeff Steinmann, Tim Gunn and Christine Hassler.

It's also an Ask Farnoosh day so I answer a few of your questions including how to find a good tax preparer, what recourse you have if a doctor inappropriately charges you for a bill and how closing a credit card will affect your credit score.

For more information visit www.somoneypodcast.com.