Retaining an existing customer is generally considered more cost-effective than attracting a new customer because existing customers have already been acquired, understand the product or service, and have developed a certain level of trust in the business. Customer Value Management focuses on creating, delivering, and maintaining value for customers so that they remain loyal and continue their relationship with the organization. While acquiring new customers is important for business growth, retaining existing customers often requires less financial effort and can generate greater long-term value. The first major reason is the high cost of customer acquisition. Attracting a new customer involves several expenses, such as advertising, promotional campaigns, discounts, sales commissions, digital marketing, free trials, introductory offers, and communication costs. A company may have to reach thousands of potential customers before a small percentage actually make a purchase. In contrast, an existing customer already knows the company and does not require the same level of persuasion. For example, an online clothing retailer may spend heavily on social media advertisements to attract first-time buyers. However, after a customer has already purchased from the retailer and is satisfied with the product, the company can encourage another purchase through a relatively inexpensive email, mobile notification, or personalized recommendation. Existing customers are also more familiar with the company's products, services, policies, and purchasing process. This reduces the effort required to convert them into repeat buyers. A new customer may have questions about product quality, price, delivery, warranty, payment methods, and after-sales service before making a purchase. An existing customer who has already experienced satisfactory service generally needs less information and reassurance.