A successful deep learning project requires careful planning, execution, and deployment. The key steps include defining a business problem, calculating the return on investment, focusing on data quality and quantity, assembling a team, writing production-ready code, tracking model experiments, deploying models in the wild, using tools like Docker and Kubernetes for scalability, and leveraging platforms like Nanonets for OCR tasks. By following these best practices, organizations can ensure the successful rollout of their deep learning projects and achieve tangible business benefits.