Negotiation is the process of communication aimed at resolving conflicts and reaching agreements. This article provides tips and techniques for successful negotiation, including how to deny, concede, and acquiesce, as well as how to put forward arguments and respond to queries. It also covers the importance of persuasive communication, equality, and the implications of body language. Additionally, it discusses the role of fatigue, presence, and supplication in negotiation, and provides advice on how to refill and steer negotiations towards successful outcomes.