The numbers behind building a startup.
Practical guides on financial modeling, runway, cash flow, and SaaS metrics. Written for pre-seed and seed founders who need to understand and defend their own numbers.
Why your assumptions matter more than your projections
How to build financial model assumptions that are explicit, defensible, and actually useful for making decisions and talking to investors.
How to build a downside scenario your investors will believe
Why scenario planning matters for early-stage startups and how to build a downside case that is honest, defensible, and actually useful.
Top-down vs bottom-up forecasting: which one to use and when
The two main approaches to revenue forecasting for startups, what each one is good for, and why the best models combine both.
Gross margin for SaaS founders: why it matters more than you think
What gross margin is, why SaaS businesses target 70-80%, and how it connects to fundraising, unit economics, and your financial model.
CAC and LTV: what they actually mean for early-stage SaaS
A practical guide to customer acquisition cost and lifetime value for pre-seed and seed founders who need to understand and defend these numbers.
Why you should build a financial model before you have real numbers
The case for building a financial model at pre-seed, even when everything is uncertain and the numbers will be wrong.
Binokl vs Spreadsheets
Why spreadsheet models break under real startup change and how structured systems reduce risk.
Investor-ready financials
What VCs actually want to see in early-stage financials and how to avoid common trust-killers.
Startup metrics: MRR, ARR, and Churn
A founder-focused guide to MRR, ARR, and churn and how they drive revenue, cash, and runway.
Cash flow vs Profit
Why profit can look healthy while cash shrinks, and how founders should model the difference.
Runway and Burn rate
How to calculate runway and burn rate, avoid common mistakes, and keep cash decisions grounded in reality.
Startup financial model
A founder-first guide to building a startup financial model that connects revenue, costs, and cash decisions.