Learning, reimagined.
The world’s best teachers are already on YouTube. The problem was never the explanations, it was finding them. So stop hunting. Pick a topic and L3 builds the lesson for you: the clearest few minutes from each expert, in the right order, followed by a quiz that shows you what didn’t land.
We write the curriculum. They do the teaching. Every clip plays on YouTube, credited, so the people who made it get the view.
DCF Valuation
What a DCF actually solves, unlevered free cash flow, WACC, terminal value, the equity bridge, and where models go wrong.
Taught by: Aswath Damodaran · Wall Street Prep
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LBO Mechanics & Returns
Entry, leverage, cash generation, exit — and where the returns actually come from: paydown, growth, multiple.
Taught by: Wall Street Prep · rareliquid · Peak Frameworks
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Accretion / Dilution
The yield comparison behind every merger model, cash vs stock logic, and the follow-up traps.
Taught by: Wall Street Prep · Mergers & Inquisitions / BIWS
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Three-Statement Modelling
How the statements link, and tracing any change through all three without losing a thread.
Taught by: Corporate Finance Institute
See the concept mapAccounting for Finance Interviews
Accruals, D&A, deferred revenue, goodwill — the accounting concepts interviews actually test.
See the concept mapSystem Design Interviews
Load balancers, caching, sharding, consistency — the building blocks and how to structure a 45-minute design answer.
See the concept mapCoding Interview Patterns
Two pointers, sliding window, BFS/DFS, dynamic programming — the dozen patterns behind most interview questions.
See the concept mapProduct Sense (PM Interviews)
How to structure product design and metrics answers — user segments, trade-offs, and the metrics that actually matter.
See the concept mapReels teach the concepts. People teach the edge.
When you’re past the fundamentals: a 1:1 diagnostic finds exactly what’s blocking you, and the bootcamps drill it until it’s interview-ready.