Customer retention refers to the efforts made by retailers to encourage existing customers to continue purchasing from the same store or retail brand. Customer loyalty goes beyond repeated purchases and involves a strong preference, emotional connection and willingness to recommend the retailer to others. In modern retailing, retaining customers is highly important because acquiring new customers generally requires greater promotional and marketing expenditure than maintaining relationships with existing customers. Modern retailers therefore use a combination of customer service, technology, personalised marketing, loyalty programmes and Customer Relationship Management (CRM) to build long-term relationships and increase customer value. One of the most important customer retention strategies is providing consistent customer satisfaction. Retailers need to understand customer expectations regarding product quality, price, availability, store environment, convenience and service. A customer who receives the expected value is more likely to return. Retail stores therefore focus on maintaining product availability, attractive displays, clean premises, efficient billing and helpful employees. In online retailing, easy navigation, accurate product information, convenient payment and reliable delivery contribute to satisfaction. Consistent service across different shopping channels strengthens customer confidence in the retailer. Personalisation is another major strategy adopted by modern retailers. Customers increasingly expect retailers to understand their individual needs and preferences. Retailers collect information about purchasing behaviour, browsing patterns, preferred brands, frequency of visits and responses to promotional offers. This information can be used to provide personalised product recommendations, discounts and communications. For example, a retailer may offer special promotions on products that a customer regularly purchases rather than sending irrelevant offers. Personalisation makes customers feel recognised and improves the relevance of the shopping experience. Retailers also use competitive pricing and value-based offers to retain customers. Price-sensitive customers may change stores when they find better prices elsewhere. Therefore, retailers provide discounts, coupons, cashback, bundle offers, member-only prices and personalised deals. However, customer retention should not depend only on continuous price reductions. Excessive discounting can reduce profitability and train customers to purchase only during sales. Modern retailers therefore combine competitive prices with service quality, convenience, product assortment and loyalty benefits to create superior overall value. High-quality customer service is essential for developing loyalty. Store employees are often the direct point of contact between the customer and the retailer. Well-trained employees can assist customers in selecting products, provide accurate information and resolve complaints effectively. Employees who are courteous, responsive and knowledgeable create positive experiences. Retailers also provide multiple channels for customer support, including telephone, email, social media, chatbots and in-store assistance. Quick complaint resolution is particularly important because customers who experience a problem but receive effective support can sometimes become more loyal than customers who never experienced a problem. Convenience is another important retention strategy in modern retail operations. Customers value retailers that save time and reduce the effort involved in shopping. Retailers provide home delivery, click-and-collect services, self-checkout, digital payments, mobile applications, online ordering and easy returns. Omnichannel retailing allows customers to move smoothly between physical stores, websites and mobile applications. For example, a customer can search for a product online, check its availability at a nearby store, purchase it through an application and collect it from the store. Such convenience