For first-time authors, succeeding in Amazon Kindle ebook publishing starts with choosing a clear niche and understanding your target audience. Focus on writing engaging, well-structured content that delivers value from the first page. Invest time in professional editing and an eye-catching cover to boost credibility and attract readers. Optimize your book title, description, and keywords to improve visibility on the Kindle platform. Finally, promote your ebook through social media and reviews to build momentum and long-term success.