The Lab – Blog
Practical articles for consequential decisions.
The NJL Design Lab blog publishes source-backed guides, models, and operating systems for financial independence, investing, real estate, family finance, AI, and the non-money side of life.
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Filters run across the complete archive. Featured series keep multi-part ideas in a deliberate reading order.
FI Foundations
View the seriesFamily and Financial Independence
View the seriesRetirement Drawdown
View the seriesAGI Household Resilience
View the seriesOptions Education
View the seriesReal Estate Decisions
View the series
View the seriesFamily and Financial Independence
View the seriesRetirement Drawdown
View the seriesAGI Household Resilience
View the seriesOptions Education
View the seriesReal Estate Decisions
View the series
Investing
Options Trading 101: What Beginners Need to Know Before Selling a Put
A beginner-friendly guide to selling puts, assignment, cash-secured puts, the wheel strategy, and covered calls — with clear examples, risk-first explanations, official references, and pre-trade checklists.
Investing
Options Greeks 201: Delta, Theta, and IV Before You Sell Premium
A practical 201 guide to reading Delta, Theta, and IV before selling premium, with a 4-point pre-trade checklist.