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Every DollarBrook guide in one index — saving, budgeting, credit and debt, investing, retirement, and home buying — each with worked examples, an FAQ, and a matching free calculator.

Saving

How to Build an Emergency Fund (Even on a Tight Budget)

How much to save, where to keep it, and a step-by-step plan to build 3–6 months of essential expenses — starting from zero.

7 min read · Updated October 26, 2026
Retirement

Roth IRA vs. Traditional IRA: Which One Fits You?

The real difference is when you pay tax. 2026 limits, income phase-outs, and a simple framework for choosing.

8 min read · Updated October 26, 2026
Saving

High-Yield Savings Accounts Explained: APY, Insurance, and How to Choose

What APY really means, how FDIC and NCUA insurance protect you, the fees to watch, and a checklist for choosing an account.

6 min read · Updated October 26, 2026
Credit & Debt

How to Pay Off Credit Card Debt: Avalanche vs. Snowball

A step-by-step payoff plan, the honest math behind the two classic strategies, and how to stop new charges while you dig out.

8 min read · Updated October 26, 2026
Budgeting

The 50/30/20 Budget Rule, Explained With a Real Example

Needs 50%, wants 30%, savings 20% — what counts where, a full worked monthly budget, and how to adapt the rule when rent eats half your pay.

6 min read · Updated October 26, 2026
Home & Mortgage

How Much House Can I Afford? The 28/36 Rule and the Costs Nobody Mentions

How lenders think about your budget, a worked affordability example, down payment trade-offs, and the ownership costs beyond the mortgage.

8 min read · Updated October 26, 2026
Investing

Index Funds vs. Individual Stocks: A Beginner’s Honest Comparison

What diversification really does, why picking stocks is harder than it looks, and a sensible path for most beginners.

7 min read · Updated October 26, 2026
Credit & Debt

How Credit Scores Work: FICO Ranges and the 5 Factors

What a FICO score is, the ranges lenders see, the five factors and their weights, and the habits that actually move your score.

7 min read · Updated October 26, 2026
Retirement

401(k) Basics and the Employer Match: Don’t Leave Free Money Behind

How a 401(k) works, 2026 contribution limits including the super catch-up, vesting explained, and what to do with an old 401(k) when you change jobs.

8 min read · Updated October 26, 2026
Investing

How to Start Investing With $100: A First-Timer’s Walkthrough

Why $100 is genuinely enough to start, what to set up first, fractional shares explained, and the beginner mistakes that cost the most.

7 min read · Updated October 26, 2026
Retirement

Saving for Retirement in Your 20s and 30s: Your Biggest Advantage Is Time

Compounding math that favors the young, how much to aim for by decade, and the order to use your accounts when retirement feels far away.

7 min read · Updated October 26, 2026
Budgeting

The Yearly Personal Finance Checklist: 12 Things to Review Every Year

One calm annual review — emergency fund, retirement, insurance, debt, taxes, and free credit reports — that keeps your whole money life on track.

7 min read · Updated October 26, 2026

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