The document discusses how having an effective second-in-command (SIC) can help reduce noise for the first-in-command (FIC) of a business. It defines noise as recurring mistakes, having to constantly check on things, and decisions being left for the FIC. An effective SIC can take over tasks and responsibilities, allowing the FIC to focus on higher priorities. This frees up the FIC's time and reduces stress. Implementing SIC roles and responsibilities properly can provide business owners increased freedom, productivity, and the ability to take more time off while maintaining business operations.