Free shipping is a promotional strategy where businesses cover delivery costs for customers, making products more appealing and often boosting sales. It can apply to all orders, orders over a certain amount, or as part of special promotions.

Secure payment ensures the protection of customers' financial data during transactions, using encryption and authentication methods to prevent fraud and unauthorized access. It builds trust and enhances safety in online and in-person purchases.

24/7 customer support provides round-the-clock assistance to customers, ensuring help is available at any time, day or night, to resolve issues, answer questions, and improve overall service experience.