New Customer Acquisition Cost (CAC) measures the total expense incurred to acquire a new customer, including marketing, sales efforts, and onboarding costs. Businesses track CAC to evaluate the efficiency of their sales and marketing strategies, ensuring sustainable revenue growth. Lower CAC indicates that a company is acquiring customers more cost-effectively, improving profitability. CRM platforms help calculate CAC by tracking ad spend, lead generation costs, and conversion rates. Businesses strive to optimize CAC by refining audience targeting, leveraging automation, and enhancing lead nurturing efforts. A well-balanced CAC ensures that customer lifetime value (CLV) exceeds acquisition expenses, making long-term growth sustainable.