Buying a House

Buying a house is one of the largest financial decisions you will ever make. To do it right, you need to understand not just the sticker price of the home, but the true monthly cost including interest, taxes, and insurance.
Use this toolkit to estimate your monthly payments, see how your loan amortizes over 15 or 30 years, and decide whether a fixed or adjustable rate makes sense for you.

Essential Calculators

Use these tools to run the numbers for this scenario.

Action Plan Checklist

  • Check your credit score (aim for 740+ for best rates).
  • Save for a down payment (ideally 20% to avoid PMI).
  • Calculate your maximum monthly payment based on your income.
  • Get pre-approved for a mortgage before house hunting.

Required Reading

Deep dive into the strategies behind this use case.

Key Terminology

Understand the financial and mathematical terms involved.

Worked Examples

Real-world scenarios with step-by-step calculations.

Finance

Buying a $400,000 Home with 20% Down

By putting 20% down, the buyer avoids Private Mortgage Insurance (PMI). However, over the 30-year term at a 6.5% interest rate, the buyer will actually pay more in interest ($408,144) than the original loan amount itself ($320,000).

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Frequently Asked Questions

How much house can I afford?

A general rule is that your monthly housing costs should not exceed 28% of your gross monthly income.

Should I put 20% down?

Putting 20% down helps you avoid Private Mortgage Insurance (PMI) and lowers your monthly payment, but many loans allow 3% to 5% down if you prefer to keep cash on hand.