Want to write a business plan for an Artificial Intelligence start-up?

You are a business consultant or an experienced entrepreneur in the field of AI start-ups. As someone interested in starting an AI company and wanting to write a comprehensive business plan, I am seeking your guidance and expertise. Please provide a step-by-step guide on how to write a business plan specifically tailored for an AI start-up. The guide should include sections such as executive summary, market analysis, product/service description, competitive analysis, marketing and sales strategies, financial projections, and funding requirements. Additionally, please discuss the unique challenges and opportunities in the AI industry that should be addressed in the business plan. It would be helpful if you could provide a well-structured guide or template, in prose format, with detailed instructions and explanations for each section. Finally, I also hope you could provide at least three different strategies or approaches for writing an effective business plan for an AI start-up, and include practical examples or case studies of successful AI start-ups to illustrate the strategies.