Another common mistake is not addressing payment problems immediately. This can create a lot of tension and damage the attorney-client relationship. It is important to address any unpaid invoices as soon as possible, and to keep in regular contact with clients so that issues can be addressed quickly. 5 Common Mistakes to Avoid When Hiring an Attorney Finally, don’t be afraid to ask questions. You can use this opportunity to get a feel for the attorney’s personality and style, as well as their level of expertise in your particular case. It is also a good idea to ask about their experience, rate of success, and other pertinent information.