You'll start by assessing the different roles in BI and matching your skills and career with the tech stack. You'll then learn to build taxonomy and a data story using visualization types. Additionally, you'll explore the fundamentals of programming, frontend development, backend development, software development lifecycle, and project management, giving you a broad view of the end-to-end BI process. With the help of the author's expert advice, you'll be able to identify what subjects and areas of study are crucial and would add significant value to your skillset.