People who use private security services can change the number of people they have on staff more quickly than if they had a proprietary system. For example, when there are sudden changes in the need for staff, they can quickly change the number of people they have. The cost of hiring, training, and equipping own staff makes it more difficult to quickly increase or decrease staff levels. If contract security guard companies in Los Angeles were used, this process would be faster. When you hire security services, all of the costs for the guard's salary, insurance, administrative costs, uniforms, and benefits are included in one hourly rate. This is good for budgeting, and there are no extra costs that you don't know about.