Are Mortgage Points Worth It in 2026? The Four-Number Test
One point on a $380,000 loan costs $3,800 and saves $62.71 a month. Everything else is just deciding whether you'll be there in five years.
Read article →Blog — Finance & Interest Guides
Practical guides on financing, loans, compound interest and amortization. Make better financial decisions in minutes.
Pay Off the Loan or Park the Cash at 4.50%?
The rule says kill the 7.4% car loan before holding 4.50% savings. It's right — by $139 over three years. Here's why the margin changes the decision.
Read article →5 Mortgage Payoff Myths That Quietly Cost You Money
Biweekly payments, refinancing at a lower rate, throwing every spare dollar at the balance — five popular payoff claims, tested against a $340,000 loan at 6.65%.
Read article →Can You Afford a $350,000 House on an $85,000 Salary?
We run one household's numbers from start to finish at today's 6.65% average rate — and find the price that actually fits, plus the three levers that move it.
Read article →Car Loans in 2026: Why Rates Are Still High — and What Actually Moves Your Payment
Average car loan APRs now top Great Recession levels. What buyers are asking — average rates, credit score impact, 0% offers — answered with August 2026 numbers.
Read article →15-Year vs. 30-Year Mortgage: The $280,000 Difference
One couple, one $350,000 loan, two very different totals. We follow the full math at August 2026 rates — including the invest-the-difference strategy everyone quotes and few finish.
Read article →When Is Refinancing Your Mortgage Worth It? The Break-Even Math
Refinancing can save tens of thousands — or cost you money. Learn the break-even formula that settles the question in minutes.
Read article →French vs Constant Amortization: Which Loan Costs Less?
Fixed payments or decreasing ones? See which amortization system pays less interest and how to choose the right one for your loan.
Read article →Simple vs compound interest: the difference that changes your wallet
Understand in practice the difference between simple and compound interest, with formulas, real examples and where each one appears — from credit cards to long-term investing.
Read article →Hidden Interest Rate: How to Find the Interest You Really Pay
"12 interest-free installments" isn't always interest-free. Here's how to uncover the real rate hidden in any installment plan.
Read article →How to calculate a car loan payment step by step
A $32,000 car financed line by line: the payment formula, term stress-test, the 20/4/10 rule and the four places dealerships quietly make their profit.
Read article →How compound interest works (with examples)
Invest $10,000 at 8% for 30 years: most people guess $34,000. The real answer is $100,627. Here's the math that explains the gap — and how to put it on your side.
Read article →How to simulate a personal loan before signing
Two loans with the same monthly payment can differ by thousands in real cost. Learn to compare APR, spot origination fee tricks and reverse-engineer hidden rates.
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