Generate a detailed 500-word article outlining a comprehensive roadmap for creators to transition into successful CEOs.  The roadmap should cover key stages, from identifying a scalable business model based on existing creative skills to building a team, securing funding, and establishing robust operational processes.  Include actionable steps for each stage, highlighting common challenges and offering solutions.  Focus on practical advice and real-world examples of creators who have successfully made this transition. The article should emphasize the importance of strategic planning, financial management, and leadership development in this journey.  Consider different creative fields (e.g., music, art, writing, design) and tailor advice to their unique challenges.  The article must conclude with a checklist of key milestones and resources to aid creators in their CEO transformation.