Guides
Notes on studying, travel budgets, workout recovery and company research. I write these to explain the problems behind the products, and the choices that help with them.
Study planning
Best study apps for students in 2026
An honest comparison of study planners, focus audio, and anti-distraction apps by what they actually solve.
Vitae vs Brain.fm
Study planner or focus audio? A feature-by-feature comparison, not a sales pitch for either.
How to plan a study week
A realistic way to turn exams, available time and priorities into a week you can actually follow.
Best offline study apps
What to look for when you want study planning and focus tools that remain useful without a connection.
Travel & money
How to budget a trip
A practical, step-by-step approach to estimating and tracking travel costs before and during a trip.
How to track expenses while traveling
A simple system for recording purchases across currencies and knowing what budget remains.
Fitness & recovery
How long do muscles take to recover?
General, hedged guidance on muscle recovery time and the factors that influence it.
How to train when you are sore
How to assess a session and adapt it without forcing a rigid calendar.
Investment research
What is an economic moat?
A plain-language explanation of economic moats and how to start assessing one.
How to analyze a company
A structured framework from business model and industry to risks and competitive position.
Pricing power explained
What pricing power means and how to distinguish it from simply charging a high price.