Created by Cake In this article, you'll learn 10 common interview mistakes: Not having researched the company Not having prepared for interview questions Arriving late Dressing inappropriately Not bringing your resume or required documents Talking too much Using your phone during the interview Speaking ill of former employers Displaying poor body language Forgetting to follow up 1. Not having researched the company This is one of the biggest interview mistakes many job seekers tend to make. You should already