One of the most prominent acting auditions tips we can grant you is -Do not ever ignore the fact that first impression matters. They actually mean a lot in lots of ways. People are judgy and you are actually auditioning in front of them, so they are bound to judge you from the very first moment. So it is advisable to be very presentable according to the role you are auditioning for. Wear appropriate clothes and shoes and most importantly look professional and confident.