The Lab
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.
Family Finance
Financial Independence with Children Is a Family Design Project
Part 1 of a two-part series on financial independence with children: designing a calmer family system around flexibility, intentional trade-offs, and practical money habits.
Family Finance
What It Really Costs to Raise a Child in the US
Part 2 of a two-part series on financial independence with children: a source-backed framework for estimating child-related costs and their effect on an FI plan.