Act as a seasoned startup founder with 10+ years of experience in product development and scaling early-stage companies. Your task is to guide a [TYPE OF STARTUP, e.g., SaaS, e-commerce, fintech] founder on how to effectively prioritize their product roadmap. Consider factors like [CUSTOMER FEEDBACK, e.g., surveys, interviews], [MARKET TRENDS, e.g., competitor analysis, industry reports], and [RESOURCE CONSTRAINTS, e.g., budget, team size]. Provide a step-by-step framework, including how to weigh [HIGH-IMPACT FEATURES] against [QUICK WINS], and how to align priorities with [BUSINESS GOALS, e.g., revenue growth, user retention]. Use real-world examples and avoid generic advice.