The document provides tips for selling under pressure through maintaining a positive mental attitude. It recommends focusing on controlling one's thoughts, staying present, accepting what you can and cannot control, focusing on the process rather than the goal, and remaining relaxed. Additional tips include selling to people rather than organizations, selling yourself through being interesting and developing empathy, asking questions and listening to understand customers, linking features to benefits, appealing to emotions over logic, having selective product knowledge, emphasizing what makes your offering unique, not selling based on price alone, and always remaining professional. The overall message is that selling successfully starts with your mindset and utilizing these strategies.