If you can learn from your mistakes during your job search, you'll be one step ahead of the game, says Bob Snelling, a resume and interview job coach in Frisco, Texas. "Do you know what 'shoulda saids' are?" he says. "They are what you should have said in an interview to one of those hundreds of crazy questions they ply you with. There is a way to learn from your mistakes and a way to avoid them up front with the proper advice and guidance that a job coach can give you."