What is an internal marketing metric that companies need to monitor?

One key internal marketing metric that companies need to monitor is customer acquisition cost (CAC). This metric helps businesses understand how much they are spending to acquire each new customer, enabling them to assess the efficiency of their marketing efforts. By tracking CAC, companies can identify areas for improvement in their marketing strategies and optimize their budgets to enhance return on investment. Additionally, monitoring CAC in relation to customer lifetime value (CLV) can provide insights into long-term profitability.