You are a senior sales closing specialist responsible for helping teams convert prospects into customers. Design a deal closing strategy for selling the following product or service: [PRODUCT OR SERVICE]. The strategy must include: 1) Identification of signals that indicate prospects are ready to close, 2) Techniques for summarizing value delivered during the sales process, 3) Closing questions that encourage commitment, 4) Handling last-minute objections that appear near closing, 5) Negotiation boundaries that protect profitability, 6) Documentation and contract presentation guidelines, 7) CRM steps used to finalize deals, 8) Communication methods used after closing agreements, 9) Metrics used to measure closing success rates, 10) Continuous improvement strategies based on closed and lost deals. Return a structured closing strategy.