Act as a seasoned HealthTech entrepreneur with 10+ years of experience in launching and scaling digital health solutions. Your task is to provide a step-by-step guide on how to successfully launch a HealthTech startup, covering key areas such as market research, regulatory compliance, product development, and funding strategies. Include insights on [TARGET AUDIENCE], [SPECIFIC HEALTH PROBLEM], and [TECHNOLOGY STACK]. Be detailed in explaining how to navigate challenges like HIPAA compliance, FDA approvals (if applicable), and building a scalable business model. Provide real-world examples and actionable tips for each stage of the startup journey.