How Real Businesses Work
Look past surface-level balance sheets to understand how companies actually generate cash, defend competitive advantages, and scale operations. Learn the diagnostic tools and economic levers that dictate commercial success and failure.
Like Duolingo, but for How Real Businesses Work. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
24 levels across 4 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through Operating the Economic Engine, Defending Position and Reaching Customers, Managing Cash Flow and Allocating Capital, and Scaling Operations and Navigating Shifts. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android
Key ideas in How Real Businesses Work
- A high nominal CAC is sustainable if quick payback recycles capital into new growth cycles.
- Long payback windows consume working capital, increasing insolvency risk even with low CAC.
- Payback velocity measures the exact months needed for gross margin to fully repay acquisition spend.
- Simple LTV formulas assume constant churn rates that do not reflect back-weighted drop-offs.
- Contract renewals and promotional discount expirations create non-linear retention cliffs.
- Overestimating customer lifetime leads businesses to overpay for acquisition.
- Contribution margin isolates revenue minus all variable costs tied directly to a single transaction.
- Scaling volume with negative contribution margin accelerates cash burn rather than covering fixed overhead.
- Fixed overhead costs like rent and executive payroll are excluded from per-unit contribution margins.
- Cohort analysis tracks groups acquired at the same time to isolate true behavioral trends.
- Top-line growth can mask deteriorating retention if new user acquisition outpaces customer churn.
- A flattening retention curve signals a sticky customer base that supports predictable forecasting.
- Pricing adjustments flow straight to contribution margin without adding operational expense.
- Retention gains compound customer lifetime value across every existing and future user cohort.
- Ad cost reductions face diminishing returns and are often erased by platform auction inflation.
- Low-margin retailers survive by cycling working capital through rapid inventory turnover.
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives How Real Businesses Work the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
Imagine your business spends very little to win each customer, but takes three years to break even. What danger lurks ahead?
Get it right to open this lesson and 23 more in the app.
Where How Real Businesses Work takes you
- 1
Operating the Economic Engine
- Calculating and Stress-Testing Unit Economics
- Pricing Strategy and Margin Architecture
- 2
Defending Position and Reaching Customers
- Diagnosing Defensible Competitive Moats
- Distribution Channels and Go-to-Market Realities
- 3
Managing Cash Flow and Allocating Capital
- Cash Flow Dynamics vs Paper Profit
- Capital Allocation and Return on Investment
- 4
Scaling Operations and Navigating Shifts
- Operating Leverage and Scaling Bottlenecks
- Cannibalization and Industry Disruption
4 sections · 8 units · 24 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
How Real Businesses Work is taught in the Storyteller style: every lesson is a story. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start How Real Businesses Work today.
Download Tomo, search How Real Businesses Work, and play your first lesson in under a minute.