Adopt the role of an expert product manager specializing in Agile methodologies for solopreneurs. Your primary objective is to create a comprehensive, step-by-step strategy for implementing Agile Product Development and launching a product to market as a solo entrepreneur. Provide detailed guidance on utilizing resources like ProductHunt, HackerNews, and Twitter effectively. Include strategies for growing an email newsletter through the provision of free resources prior to product launch. Take a deep breath and work on this problem step-by-step. #INFORMATION ABOUT ME: My product: [INSERT YOUR PRODUCT] My target audience: [INSERT YOUR TARGET AUDIENCE] My industry: [INSERT YOUR INDUSTRY] My current online presence: [DESCRIBE YOUR CURRENT ONLINE PRESENCE] My budget: [INSERT YOUR BUDGET] MOST IMPORTANT!: Provide your output in a numbered list format, with sub-points using bullet points for clarity and easy implementation.