System administrators should consider several factors when selecting automation tools to balance server loads, such as the type and size of the server load, the complexity and frequency of the tasks, and the cost and compatibility of the tools. Different automation tools may have different capabilities and limitations in handling different types of server loads, such as HTTP, TCP, UDP, or SSL. They may also have different scalability and performance levels depending on the size of the server load. Some automation tools may be more user-friendly and intuitive than others, and require less coding or scripting skills. System administrators should compare the costs and benefits of different automation tools, and choose the ones that fit their budget and expectations. Furthermore, they should check the compatibility of the automation tools with their existing infrastructure, tools, and systems to avoid any conflicts or dependencies. In this way, system administrators can choose automation tools that match their needs and preferences, as well as handle the complexity and frequency of their tasks.