Guides
How Much Will $500 a Month Grow to in 20 Years? (At 5%, 7%, and 10%)
How much will $500 a month grow to in 20 years? About $260,463 at a 7% return, and starting five years late costs about $102,000. Here is the full math.
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When you want the full story
Deep dives into the math and strategy behind each financial decision. No fluff, no affiliate pitches.
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Should I Take Social Security at 62 or 70? The Break-Even Math
Should I take Social Security at 62 or 70? The break-even age is about 80. Here is who gains by claiming early, who gains by waiting, and the math behind both.
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The Rent vs Buy 5% Rule: A Ten-Second Sanity Check Before You House-Hunt
The rent vs buy 5% rule: multiply a home’s price by 5%, divide by 12, and compare with rent. A $400,000 home breaks even at about $1,667 a month.
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Is Overtime Taxed at a Higher Rate? No. Here’s What’s Actually Happening
Is overtime taxed at a higher rate? No. Overtime is ordinary income and the real culprit is withholding. Here is how marginal brackets actually treat OT pay.
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Debt Snowball vs Avalanche: Which Is Better, Really?
Debt snowball vs avalanche: which is better? A real $16,500 example shows the interest gap is smaller than you think, and the winner is the plan you’ll finish.
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$25 an Hour Is How Much a Year? The Gross Number and the Real One
$25 an hour is how much a year? $52,000 before tax at 40 hours a week. Monthly, biweekly and realistic 2025 take-home math, plus a quick comparison table.