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Deep dives, concepts, and updates behind our calculators.

Set it, contribute, don’t blink: how patience beats timing games

Quantify the cost of missing the market’s best days across indices with realistic assumptions.

Sep 7, 2025

Buying a Rental vs. Just Buying an index fund — How I Really Decide

If we were sitting around my kitchen table with coffee and a notepad, this is exactly how I'd walk you through deciding whether a rental property is a good idea. No Wall-Street speak. Just the stuff that actually matters, plus simple examples, a few quick visuals, and the “gotchas” I wish someone had told me earlier.

Aug 17, 2025

Mag-7 Fans, Meet Your Upgrade: The Top-10 ETF

A simple, rules-based S&P 500 Top-10 sleeve bottles the market's engine. It has led broad beta and kept pace with tech tilts—dynamic by design, rotating with today's megacap winners beyond a static “Mag-7.”

Aug 8, 2025

Welcome to the Finance Calculators Blog

What we will share here: tips, guides, and product updates.

Aug 1, 2025