Practical, USA-focused explainers on debt, loans, taxes and saving — written to be genuinely useful.
A 401(k) loan lets you borrow up to $50,000 or 50% of your vested balance and pay yourself back, while a withdrawal takes the money out for good and usually triggers income tax plus a 10% penalty before age 59½. Here is how to choose.
Read guide →Social Security is funded by today's workers, calculated from your highest 35 years of earnings, and shaped more than anything by the age you claim. Here is how the benefit formula works, what claiming at 62, 67, or 70 costs or gains you, and the 2026 numbers that matter.
Read guide →A Roth IRA lets your money grow tax-free, but the IRS caps who can contribute directly. For 2026, single filers phase out between $153,000 and $168,000 of modified adjusted gross income, and joint filers between $242,000 and $252,000. Here is how the limits work, how to calculate a reduced contribution, and what to do if you earn too much.
Read guide →A 403(b) and a 457(b) look like twins — both let you defer $24,500 in 2026 — but they differ on the rules that matter most: early-withdrawal penalties, catch-ups, and whether you can max out both at once. Here is the honest comparison.
Read guide →The 4% rule says you can withdraw 4% of your portfolio in year one, adjust for inflation, and make it last 30 years — but Bengen now says 4.7% and Morningstar says 3.9%. Here's what the rule actually means, with verified numbers.
Read guide →A widely used benchmark says to have 1x your salary saved by 30, 3x by 40, 6x by 50, and 10x by 67. Here is what those targets mean, how they compare with what Americans actually have, and what to do if you are behind.
Read guide →A traditional 401(k) saves you tax today; a Roth 401(k) saves you tax in retirement. The right choice depends on one thing — whether your tax rate now is higher or lower than it will be when you withdraw the money.
Read guide →The 401(k) holds 3x more of your 2026 limit ($24,500 vs $7,500 for an IRA) — but the smart order is 401(k) up to the employer match first, then an IRA, then back to the 401(k). Here's the math behind that order.
Read guide →Your 401(k) grows from three sources — your contributions, your employer's match, and compounding. See a verified 30-year example of $400/month at 7%.
Read guide →The 4% rule explained with verified math — how a simple withdrawal rate estimates your savings' lifespan, plus sequence risk and a quick division shortcut.
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