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Index Fund & Investing Education for Beginners — Step by Step
The math behind it, step by step. Plain-English investing education for people with money at stake. Index funds, retirement accounts, fees, and compound interest — explained with real, verified numbers.
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Typical expense ratio on a broad S&P 500 ETF, versus up to 1.00% for an actively managed fund.
Share of calendar years since 1928 the S&P 500 finished positive.
What a 1% fee costs you over 30 years on a $10,000 balance, compounding.
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Index Funds, Retirement Accounts & Fees — Where to Start
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Investing Guides for Beginners
Traditional vs Roth IRA: Which Is Better?
Traditional IRA vs Roth IRA which is better for me? Compare tax now vs later with 2026 limits, deduction ranges, and plain-English math — every number sourced.
Retirement AccountsRoth IRA Income Limits: The 2026 Math
how do roth ira income limits work in 2026? Full $7,500 under $153K single or $242K joint, phased to $168K/$252K — MAGI, phase-out math, and backdoor options.
Fees & CostsHow Much a 1% Fee Costs Over 30 Years
How much does a 1% expense ratio cost over 30 years? About $18,050 on $10,000 and $180,500 on $100,000 at 7% vs 0.03% — see 2026 fees and how to keep more.
Index Investing BasicsDollar-Cost Averaging: Does It Work?
What is dollar cost averaging and does it work? Lump sum beats DCA ~68% of the time, but DCA cuts regret — see a $10k vs $833/mo table and when to use each.
Fees & CostsExpense Ratio: How Fees Eat Your Returns
What is an expense ratio and how does it eat returns? Learn what is good at 0.03%, what 1% costs over 30 years, and how to keep more — every figure sourced.
Retirement Accounts401(k) Vesting: What You Keep
How does 401k vesting work if I leave my job? Your own money is always yours; the employer match may not be. Cliff vs graded schedules, explained simply.
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