The document provides tips for salespeople to successfully upsell additional products to customers. It states that upselling allows salespeople to increase average order value, profit margins, and bottom line revenues. The tips include talking to customers to understand their interests, explaining additional product benefits, letting customers decide what they can afford rather than assuming, offering special deals, and closing the sale before customers have time to reconsider. Following these tips can help salespeople turn small sales into larger ones by adding more value for the customer.