Upselling is a strategic sales approach where businesses encourage customers to purchase a more expensive or upgraded version of a product or service. This technique increases the customer lifetime value (CLV) by providing enhanced features, premium versions, or additional services that align with customer needs. Effective upselling strategies rely on personalized recommendations, data-driven insights, and well-timed offers. When implemented correctly, it enhances customer satisfaction by ensuring they get the most value from their purchase. E-commerce platforms, SaaS companies, and retail businesses use predictive upselling to analyze customer behavior and suggest relevant upgrades. Unlike cross-selling, which offers complementary products, upselling focuses on upgrading the primary purchase.