Plain-English guides, benchmarks, and worked examples for the calculators and converters on this site. Every post pairs with a free, privacy-first tool you can use in your browser.
A practical, age-by-age breakdown of what your 401(k) balance should look like using Fidelity's salary-multiple rule, plus realistic catch-up strategies if you are behind.
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The order almost everyone should follow in 2026: match first, Roth IRA second, rest of the 401(k) third. The tax math, limits, and the cases where it flips.
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How much house can you actually afford at $75k, $100k, or $150k? The 28/36 rule, full PITI breakdown, down payment reality, and rate sensitivity with current 2026 numbers.
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The honest break-even math on refinancing in 2026, with a $400,000 worked example, closing cost ranges, and the amortization reset trap most people miss.
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The real math on a $400,000 mortgage at 2026 rates. The 15-year saves $341k in interest. The 30-year wins for most people anyway. Here is when each one is actually the right call.
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