The most legitimate "free" offering is the . Here, the firm doesn’t just post teasers; they post heavy-hitting tutorials. You can learn how to link the three financial statements or build a debt schedule without spending a dime. Similarly, their blog functions as a living textbook. Search "Wall Street Prep walkthrough," and you will find detailed PDF snippets and articles explaining how to calculate WACC or the nuances of Net Working Capital. For a self-taught analyst, these resources are gold dust. They are the "free lunch" of high finance.

Learn how to build a 3-statement model from scratch.

Which you want to break into (Investment Banking, Private Equity, or FP&A)

: Core frameworks covering Discounted Cash Flow (DCF) analysis, Weighted Average Cost of Capital (WACC), and Leveraged Buyouts (LBO) [1.19].