Understand the math behind the number

Financial Guides

In-depth explanations for every calculator — real numbers, real scenarios, no filler. 281 guides and counting.

Loans
8 min read

Best Personal Loan Rates in 2026: 7 Lenders Offering 7%–36% APR (What You'll Actually Qualify For)

Top personal loan rates in 2026 range from 7% to 36% APR. What you qualify for depends on credit score, income, and lender. Here's …

Mar 21, 2026
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Loans
8 min read

Pay Off Car Loan Early or Invest? How to Decide With $10,000

With $10,000, the right call depends on your loan APR vs. after-tax returns. We show exactly when each move wins — and when to …

Mar 21, 2026
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Mortgage
9 min read

30-Year vs. 15-Year Mortgage: The $333,000 Cost Difference in 2026

A 15-year mortgage saves $333,000 in interest vs. a 30-year on a $400k loan at 2026 rates. Here's the full breakdown and when each …

Mar 19, 2026
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Retirement
8 min read

How Much Should I Have in My 401(k) at 35, 40, and 45? (2026 Benchmarks)

At 35, aim for 2× your salary saved. At 40, 3×. At 45, 4×. Here are the 2026 benchmarks, the math behind each target, and what to …

Mar 19, 2026
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Mortgage
8 min read

How to Get the Best Mortgage Rate in 2026: 7 Moves That Save Americans $40,000+

Rates sit at 6.53% nationally. These 7 proven moves — from credit fixes to rate locks — can drop your rate by 0.5–1.25%, saving …

Mar 19, 2026
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Retirement
8 min read

How to Start Investing at 40 With Nothing Saved: 2026 Action Plan

Starting at 40 with $0 saved? You still have 25 years of compounding. Here's an exact 2026 action plan with accounts, limits, and …

Mar 19, 2026
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Mortgage
8 min read

Is $75,000 Enough to Buy a House? What You Can Actually Afford in 2026

On a $75,000 salary, most buyers qualify for a $225,000–$290,000 home. Here's the full DTI math, city budgets, and tax breakdown …

Mar 19, 2026
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Retirement
8 min read

Roth IRA vs Traditional IRA: Which One Wins in 2026?

Roth IRA wins if you expect higher taxes in retirement. Traditional wins if you're in 22%+ now. Here's the exact math on the …

Mar 19, 2026
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Mortgage
7 min read

How to Calculate Your Mortgage Payment in 2026 (With Real Numbers)

Calculate your 2026 mortgage payment using the standard formula. On a $400k home at 6.9%, principal and interest runs $2,107/month …

Mar 15, 2026
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Taxes
8 min read

$110k in Virginia: Does DC Proximity Cost You More Than You Think?

On $110,000 in Virginia, you take home roughly $80,164/year ($6,680/month) after federal, FICA, and Virginia's 5.75% top income …

Jun 3, 2025
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Taxes
7 min read

Arizona's 2.5% Flat Tax on $110k: What You Actually Keep in Phoenix

Earning $110,000 in Arizona? Your estimated 2026 take-home is $83,396/year — $6,950/month. Full federal, FICA, and AZ flat-tax …

Jun 3, 2025
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Taxes
7 min read

No State Income Tax on $100k: What You Actually Keep in Florida

Earn $100,000 in Florida? You take home about $72,592/year — $6,049/month. No state income tax saves you thousands vs. most …

May 30, 2025
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Taxes
6 min read

Moving to Nevada on $95,000: How Much More You Keep vs. California After Taxes

Moving from California to Nevada on $95k saves you roughly $6,800/year in state income tax. Here's the full breakdown of what you …

May 24, 2025
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Loans
7 min read

SAVE vs. IBR vs. PAYE: Which Income-Driven Plan Cuts Your Student Loan Bill the Most?

SAVE, IBR, and PAYE all cap payments by income — but SAVE saves most borrowers $125+/month vs. IBR. Here's the exact plan-by-plan …

Apr 13, 2025
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Mortgage
8 min read

5% Down vs 20% Down on a $420,000 Home: The Real Cost Difference

5% down costs you ~$71,000 more over 30 years on a $420,000 home. Here's the full PMI, interest, and true cost breakdown — so you …

Apr 11, 2025
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Mortgage
7 min read

Monthly Payment on a $200,000 Mortgage: Full Cost Breakdown for 2026

A $200,000 mortgage at 6.8% runs $1,304/mo in principal and interest. With taxes, insurance, and PMI, expect $1,700–$1,900. Full …

Apr 11, 2025
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Mortgage
8 min read

Is $60,000 Enough to Buy a House? What You Can Actually Afford

On a $60k salary, most lenders approve homes between $140k–$180k. Here's the exact math, real city budgets, and what moves that …

Apr 10, 2025
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Taxes
8 min read

Hourly to Annual Salary: Every Rate From $15 to $100/hr

$15/hr is $31,200/year. $50/hr is $104,000. $100/hr is $208,000. Full table plus federal take-home after taxes for every common …

Apr 7, 2025
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Retirement
7 min read

Is $50,000 a Year Enough to Retire On? What the Math Actually Shows

To retire on $50,000/year, you need $650K–$1.67M depending on Social Security. Here's the exact math, tax hit, and city budget …

Mar 31, 2025
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Mortgage
8 min read

How Much House Can You Afford in Texas on $78K? The Real Numbers

On $78K in Texas, you can afford $250K–$290K in home price. Here's the breakdown: take-home pay, DTI math, Austin vs. San Antonio, …

Mar 28, 2025
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