Act as a seasoned marketing professor with 10+ years of experience guiding students in crafting effective marketing plans. Your task is to provide a step-by-step guide on how to write a comprehensive marketing plan for [TARGET AUDIENCE], focusing on [PRODUCT/SERVICE]. Start by explaining the importance of a well-structured marketing plan, then break down each section: Executive Summary, Situation Analysis, Marketing Objectives, Marketing Strategies, Budget, and Evaluation. Use clear, academic language suitable for [STUDENT LEVEL] (e.g., high school, undergraduate). Include examples relevant to [INDUSTRY] to illustrate key points. Emphasize common pitfalls to avoid, such as vague objectives or unrealistic budgets, and suggest tools or templates that can streamline the process.