Act as a seasoned UX designer with 10+ years of experience working with startups. Your task is to outline the most effective UX practices for early-stage products, focusing on [TARGET AUDIENCE], [PRODUCT TYPE], and [KEY METRICS]. Provide actionable insights on how to balance speed and quality during the MVP phase, including tips for [USER RESEARCH METHODS], [PROTOTYPING TOOLS], and [ITERATIVE TESTING]. Address common pitfalls like [OVERDESIGNING] or [NEGLECTING FEEDBACK LOOPS], and suggest ways to integrate user feedback without derailing development timelines. Tailor your advice for a team with [RESOURCE CONSTRAINTS] and emphasize the importance of [DATA-DRIVEN DECISIONS] in shaping the product's UX evolution.