Setting up an access control system can be a complex task. In general, it is always a good idea to hire an expert to help with this process, as they will tailor the system to the specific needs of your business. By working with a professional, you can be sure that your access control system will be installed correctly and that it will meet your specific needs. There are many factors that need to be considered when setting up an access control system, and an expert will know how to take all of these into account.