Understand the math behind the number

Financial Guides

In-depth explanations for every calculator — real numbers, real scenarios, no filler. 163 guides and counting.

Loans
7 min read

SBA Loan Requirements in 2026: 7 Things Banks Actually Check Before Approving You

Banks check credit score, time in business, revenue, collateral, and more. Here's exactly what SBA lenders look for — and what …

Apr 17, 2026
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Taxes
6 min read

W-4 Withholding 2026: 7 Adjustments That Stop You From Overpaying the IRS by $3,100

Most workers overpay the IRS by $1,500–$3,100 a year. These 7 W-4 adjustments fix overwithholding without changing your income or …

Apr 17, 2026
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Taxes
8 min read

$70,000 Salary: What's Your Actual Take-Home Pay by State?

On a $70k salary, a single filer keeps about $58,075 in a no-tax state and roughly $54,900–$55,800 in states like New York, …

Apr 16, 2026
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Retirement
9 min read

Coast FIRE 2026: How to Retire on Schedule Even If You Started Late

Coast FIRE lets you stop saving aggressively once your nest egg can grow to your retirement number on its own. Here's the math for …

Apr 16, 2026
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Mortgage
9 min read

How Much Does PMI Actually Cost Over the Life of a Loan? 2026 Numbers

PMI can cost $15,000–$30,000+ over a 30-year loan's life. Here's the 2026 math by loan size, down payment, and credit score — plus …

Apr 16, 2026
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Savings
6 min read

How Much Interest Does $10,000 Earn in a HYSA in 2026?

$10,000 in a high-yield savings account earns about $400–$427 a year at today's 4.00%–4.27% APYs. The exact math, the tax cut, and …

Apr 15, 2026
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Retirement
10 min read

How Much Should I Have in My 401(k) at 50? 2026 Benchmarks & Catch-Up Rules

At 50, aim for 4–6× your salary in your 401(k). The 2026 catch-up limit adds $8,000, bringing your total to $32,500. Here's what …

Apr 15, 2026
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Investing
7 min read

Investing $100/Month for 20 Years: What $24,000 Actually Turns Into

Put in $100/month for 20 years and you'll contribute $24,000. At 8% average returns, compound interest grows that to roughly …

Apr 15, 2026
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Savings
7 min read

Best High-Yield Savings Account Rates in 2026 (Updated October)

Top high-yield savings accounts pay about 4.00%–4.27% APY, roughly 10x the 0.37% national average. Which rates come with …

Apr 14, 2026
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Budgeting
8 min read

How Much Car Can I Afford on a $50,000 Salary in 2026? (The Real Numbers)

On a $50,000 salary, keep your car payment under $350/mo. Here's the take-home math, real budget numbers, and what you can …

Apr 14, 2026
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Budgeting
8 min read

How to Pay Off $10,000 in Credit Card Debt Fast in 2026 (7 Proven Strategies)

Pay off $10,000 in credit card debt in 12–24 months using these 7 strategies—balance transfers, avalanche method, and exact payoff …

Apr 14, 2026
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Loans
8 min read

$5,000 Personal Loan: Your Exact Monthly Payment at Every Credit Score

A $5,000 personal loan costs $157–$229/month depending on your credit score. See real 2026 APRs, total interest, and lender …

Apr 13, 2026
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Loans
10 min read

New Car vs. Used Car: The 5-Year Total Cost Breakdown Nobody Shows You

A new car costs $8,000–$14,000 more than a comparable used car over 5 years once you factor in depreciation, insurance, and …

Apr 13, 2026
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Taxes
7 min read

$60,000 Salary: What's Your Actual Take-Home Pay by State in 2026?

Earning $60k doesn't mean taking home $60k. See your real after-tax paycheck by state in 2026, with FICA, federal, and state taxes …

Apr 12, 2026
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Investing
8 min read

How Long to Double Your Money at 6%, 8%, 10%, and 12% Returns

At 7% returns, your money doubles in roughly 10 years. See exact doubling times at every major return rate — plus the tax drag …

Apr 12, 2026
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Retirement
9 min read

How Much Do I Need to Retire at 60? Real Dollar Targets for 2026

Retiring at 60 means funding 30+ years without Social Security. Most people need $1.5M–$2.8M. Here's the math by income, …

Apr 12, 2026
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Mortgage
9 min read

How to Get Rid of PMI in 2026: 5 Fast Legal Methods to Save $200/Month

PMI costs $100–$300/month and most lenders won't tell you when to cancel. Here are 5 legal ways to eliminate it in 2026 and keep …

Apr 11, 2026
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Mortgage
9 min read

Is $78K Enough to Buy a Home in Florida? What You Can Actually Afford

On a $78K income in Florida, you can afford a home between $220K–$270K. Here's the full breakdown by city, DTI, down payment, and …

Apr 11, 2026
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Mortgage
9 min read

Is $80k Enough to Buy a Home? What You Can Actually Afford in 2026

On an $80,000 salary in 2026, most buyers can afford a home between $220,000–$310,000. Here's the exact math, city breakdowns, and …

Apr 11, 2026
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Mortgage
7 min read

When Does Refinancing Your Mortgage Actually Make Sense in 2026?

Refinancing saves money when your rate drops 0.75%+ and you stay put long enough. Here's the break-even math, real savings …

Apr 11, 2026
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