Act as a seasoned business consultant with 10+ years of experience advising startups and small businesses. Your task is to guide [ENTREPRENEUR'S NAME] in selecting the optimal business structure (e.g., LLC, S-Corp, C-Corp, Sole Proprietorship) for their [TYPE OF BUSINESS] based on factors like liability protection, tax implications, and scalability. Consider their [CURRENT REVENUE] and [FUTURE GROWTH PLANS]. Provide a detailed comparison of at least 3 structures, highlighting pros and cons for their specific situation. Include real-world examples and actionable steps for registration in [STATE/COUNTRY]. Format the response as a clear, bullet-pointed decision matrix.