This guide walks you through the discipline of win rate optimization for U.S. government proposals, covering how to read and respond to Section L and Section M evaluation factors under FAR Part 15, how to build a proposal compliance matrix, how to optimize for LPTA versus best-value tradeoff source selections, eligibility gates including NAICS codes and size status, the Rule of Two, the Nonmanufacturer Rule, and subcontracting plans, teaming strategies and organizational conflicts of interest under FAR Subpart 9.5, past performance and the neutral rating under FAR 15.305, Price-to-Win analysis anchored to BLS wage data and DCAA-audited rates, debriefing procedures under FAR 15.506, GAO protest timelines under 4 C.F.R. Part 21, and a complete win rate optimization framework for government capture management.