What has held you back in your career, or with your money? Maybe you were scared — of what would happen, of failure, of the reaction of the people you know and love. Although getting over fear may be a goal, there's another way: You could do it scared. So says our guest Ruth Soukup, author of “Do It Scared: Finding the Courage to Face Your Fears, Overcome Adversity, and Create a Life You Love.”  She walks us through how and why it works. In Mailbag, where to build your savings to buy your first home and why we have many credit scores.