What Is a Prepayment Penalty?
Learn what a prepayment penalty is, when it applies, and how it can change the real value of refinancing or making extra principal payments.
What Is a Loan Origination Fee?
Learn what a loan origination fee covers, how it changes upfront cash needs, and why it can alter the true cost of borrowing.
What Is a Balloon Payment Loan?
Learn how a balloon payment loan works, why scheduled payments stay lower, and what risks arise when a large balance comes due at maturity.
What Is an Interest-Only Loan Period?
Learn how an interest-only loan period works, why payments start lower, and what changes when the loan begins amortizing principal.
How to Compare Loan Offers Effectively
Learn a systematic approach to compare loan offers beyond interest rates, including fees, terms, prepayment penalties, and total cost of borrowing.
What Is Negative Amortization?
Learn what negative amortization means, why a loan balance can grow after a payment, and which contract features usually create that outcome.
Factors That Affect Your Mortgage Interest Rate
Learn the key factors lenders consider when setting mortgage rates, from credit scores to market conditions, and how you can improve your rate.
How to Calculate Your Remaining Loan Balance at Any Point
Learn the mathematical formulas and methods to calculate your exact loan balance at any point during repayment, including practical examples and common pitfalls to avoid.
15-Year vs 30-Year Loans: Making the Right Choice
Compare the tradeoffs between shorter and longer loan terms, understand the impact on monthly payments and total interest, and learn which option fits your financial situation.
The Power of Extra Payments
Learn how making extra payments toward your principal can dramatically reduce total interest and shorten your loan term.
Understanding Your Amortization Schedule
Learn how to read an amortization schedule, what each column means, and how to identify patterns in your loan repayment over time.
APR vs EAR: Why the Difference Matters
Understand the difference between nominal APR and effective annual rate, and learn why EAR is the correct rate to use in financial calculations.
Biweekly vs Monthly Payments: Does It Really Matter?
Explore whether switching from monthly to biweekly payments actually saves money, and understand the mechanics behind more frequent payment schedules.
The Math Behind French Amortization
A deep dive into the annuity formula, periodic rate conversion, and how each payment splits between interest and principal over the life of a French loan.