HandyTool Guides

Original in-depth analysis on the money decisions that matter most.

These guides are written for people who want to understand how the math actually works — not just see a number. Each article goes deep on one topic, with concrete examples, comparison tables, and the kind of advice you'd hope to get from a knowledgeable friend who happens to know finance.

15-Year vs 30-Year Mortgage: A Complete Decision Framework

A 15-year mortgage saves hundreds of thousands of dollars in interest. So why don't most Americans choose one? The answer is more interesting than "they can't afford it." We walk through real scenarios across income levels, life stages, and competing financial goals.

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Roth vs Traditional 401(k): A 2026 Decision Framework

The choice between Roth and Traditional 401(k) contributions can determine tens of thousands of dollars in lifetime taxes. The conventional wisdom — "Roth if you're young, Traditional if you're old" — misses the most important factors. Here's how to think about it.

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The True Cost of an 84-Month Auto Loan

The 84-month auto loan has gone from rare to mainstream — about 20% of new car loans in 2025 stretch 7 years or longer. Dealerships love them because they make sticker shock disappear. Buyers pay for that comfort in ways that are easy to miss.

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