CalcDeck Blog
Financial insights, calculator tips, and money moves that matter.
Welcome to the CalcDeck blog, where we break down personal finance topics the same way we build our calculators — honestly, clearly, and without an agenda. Whether you're trying to figure out your monthly mortgage payment, deciding if refinancing actually saves you money, or wondering how much house you can afford in this rate environment, our guides walk you through the math with real numbers and real scenarios.
Every article here draws on the same publicly-sourced data and transparent formulas that power our calculator tools. We don't have lender partnerships, we don't earn affiliate commissions on financial products, and we don't push you toward any particular decision. What we do have is a genuine interest in making financial math understandable. Our writers include the same people who built CalcDeck — a software engineer and a former financial analyst who believe you should never need a finance degree to run your own numbers.
In this blog, you'll learn how to calculate exactly what you need: mortgage payments with taxes and PMI included, the real cost of carrying a credit card balance, how compound interest turns small contributions into retirement savings, and much more. Each post includes concrete examples you can plug into our calculators (or your own spreadsheet) to see what applies to your situation. We update articles when rates, tax policies, or regulations change so the numbers stay current.
Best States for First-Time Homebuyers in 2026
West Virginia, Mississippi, Arkansas, Alabama, Oklahoma — median prices, tax rates, and income requirements for the 5 most affordable states.
How Much House Can I Afford on a $70K Salary in 2026?
The 28% DTI rule, state-by-state buying power, and strategies to afford more house at current 6.5% mortgage rates.
First-Time Home Buyer Programs by State in 2026
FHA 3.5% down, USDA 0% down, VA 0% down, conventional 3% down, plus state-specific down payment assistance programs.
Credit Score Requirements to Buy a House in 2026
FHA 580, Conventional 620, USDA 640, VA no minimum — and how your score affects your interest rate and monthly payment.
VA Loan vs Conventional: Which Is Better for Veterans in 2026?
Zero down, no PMI, and lower rates — but the funding fee changes the math. Compare VA vs conventional with real numbers.
ARM vs Fixed Rate: Which Mortgage Is Right for You in 2026?
With 30-year fixed at 6.67% and 5/1 ARMs at 6.09%, the $7,140 5-year savings comes with reset risk. Scenario-by-scenario breakdown.
Home Inspection vs Appraisal: What's the Difference?
One checks the condition, the other checks the value. Both matter — here's what each costs and why skipping either is risky.
Mortgage Rates Week of May 21, 2026: 30-Year Fixed at 6.51%
Freddie Mac PMMS update, Treasury spread analysis, and what this week's rate environment means for purchase and refinance decisions.
FHA vs Conventional Loan: Which Is Better in 2026?
Down payments, credit scores, PMI, and total cost side by side — with exact numbers.
Closing Costs in 2026: What You Will Actually Pay
Every fee at the closing table and the moves that can shave thousands off your total.
Debt-to-Income Ratio: How Lenders Actually Calculate It
The exact formula, front-end vs back-end DTI, and how to improve yours before applying.
HELOC vs Cash-Out Refinance: Which Uses Your Equity Better?
Rates, closing costs, tax rules, and total cost compared for 2026.
APR vs Interest Rate: The Number That Actually Matters
Why APR is the real cost and when to ignore it. Real lender comparisons with break-even math.
How to Calculate Your Monthly Mortgage Payment
The mortgage payment formula explained with real examples at different rates and prices.
When Does PMI Drop Off Your Mortgage?
PMI thresholds, costs by FICO score, and how to get rid of it faster.
Is Refinancing Worth It? Calculate Your Break-Even Point
Break-even math with real scenarios at 0.5%, 1%, and 2% rate drops.
How Much Extra Should You Pay on Your Mortgage?
Compare $100, $200, and $500 extra monthly payments — interest saved and years knocked off.
Property Taxes by State: What Homebuyers Need to Know
Highest and lowest tax states, how it affects your monthly payment, and what to budget for.
Rent vs Buy Calculator: Which Is Cheaper in 2026?
The 5% rule, price-to-rent ratios by metro, break-even timelines, and when investing the difference beats building equity.
How Much House Can You Afford in 2026?
Mortgage rates, the 28/36 rule, down payment realities, and how to calculate your true maximum home price.
Auto Loan Rates 2026: What to Expect
Current rates by credit score, how much a 1% difference costs, and 4 ways to get a better deal.
Compound Interest Explained
How your money grows exponentially over time — with real numbers and the Rule of 72.
How to Pay Off Credit Card Debt Fast
Avalanche vs snowball method — which saves more and which one you'll actually stick with.
Retirement Savings by Age: Are You on Track?
Benchmarks by age, the 4% rule explained, and how to catch up if you're behind.