Articles
What’s new, and the fundamentals explained
Updates about Corlova itself, and plain-English guides to the ideas the lessons teach. Open to everyone — no account needed.
Updates
- September 2, 2026 — Where ads appear on Corlova, and who never sees them.: Where an ad can appear on Corlova — one unit per page, one per lesson chapter — who never sees one, what Google receives, and how to remove them.
- September 1, 2026 — Corlova is free right now. Here is the whole story.: Since September 1, 2026, a free account opens all of Corlova. What changed, what is for sale, where ads appear, why, and the honest part: whether it lasts.
Guides
- How Do Businesses Actually Make Money?: A friendly, buzzword-free guide to how businesses actually make money: revenue vs. profit, the main business models, why big sales can still lose money, and the one question that decides whether any business works.
- Unit Economics Explained: How to Tell If a Business Actually Works: Unit economics in everyday words: contribution margin, customer acquisition cost (CAC), lifetime value (LTV), payback period, and break-even — the five numbers that reveal whether any business actually works.
- How to Value a Small Business: A Practical Guide: A practical, straight-talk guide to valuing a small business: seller's discretionary earnings (SDE), earnings multiples, what moves a multiple up or down, and the traps hiding in "adjusted" numbers.
- LLC vs. S Corp vs. Sole Proprietorship: How to Choose: A straightforward comparison of sole proprietorships, LLCs, and S corp elections: what each actually changes (liability and taxes), who each fits, and the two questions that decide the right structure.