Guides
Plain-English explainers on mortgages, savings, currency, and fuel costs, each paired with a free Rateboard calculator. Examples use illustrative numbers, not live rates.
Mortgages & home buying
- Mortgage Points Explained: When Paying to Lower Your Rate Makes SenseWhat mortgage discount points are, how much they cost, how to find your break-even month, and when buying down your rate is not worth it.
- 15-Year vs. 30-Year Mortgage: How to Choose the Right TermCompare 15-year and 30-year mortgages side by side: monthly payment, total interest, flexibility, and a simple way to decide which term fits you.
- Refinance Break-Even: How to Tell If Refinancing Your Mortgage Pays OffLearn how to calculate a refinance break-even point, what the simple formula misses, and how to avoid resetting your loan term without realizing it.
- Fixed vs. Adjustable-Rate Mortgage: How ARMs Work and Who They SuitHow fixed-rate and adjustable-rate mortgages differ, what ARM caps and indexes mean, and how to stress-test an ARM payment before you commit.
- How Mortgage Rates Are Set: The Fed, the 10-Year Treasury, and Your QuoteWhy mortgage rates don't simply follow the Fed, how the 10-year Treasury and mortgage spreads drive rates, and what you can control in your own quote.
- PMI Explained: What Private Mortgage Insurance Costs and How to Remove ItWhat private mortgage insurance is, what drives its cost, when it can be cancelled, and how FHA mortgage insurance differs from conventional PMI.
- How Much House Can I Afford? A Practical Way to Find Your NumberUse the 28/36 rule, your real budget, and an honest look at hidden costs to work out how much house you can afford, with an illustrative example.
- How Your Credit Score Affects Your Mortgage RateWhy lenders price mortgages by credit score, how much a score gap can cost over a loan's life, and practical steps to improve your score before you apply.
- Mortgage Rate Locks Explained: How They Work and When to LockWhat a mortgage rate lock covers, typical lock lengths, extension costs, float-down options, and the mistakes that can cost you a locked rate.
- Closing Costs Explained: What You Pay at a Mortgage Closing and WhyA plain-English breakdown of mortgage closing costs: lender fees, title, prepaids, and escrow, plus how to compare Loan Estimates and reduce what you pay.
Savings & interest
- High-Yield Savings vs. CD: Which Is Better for Your Cash?How high-yield savings accounts and CDs differ on rates, access, and risk, with an illustrative example and a checklist for choosing between them.
- APY vs. APR: What's the Difference and Which One Should You Compare?APY measures what you earn with compounding; APR measures what borrowing costs. Learn how each works, with examples for savings, cards, and loans.
- How a CD Ladder Works: Steady Access With Locked-In RatesBuild a CD ladder step by step: how rungs and maturities work, an illustrative five-year example, and the pros, cons, and variations to consider.
- Why High-Yield Savings Rates Change (and What to Do When They Drop)What makes high-yield savings account rates rise and fall, how fast banks react to Fed moves, and how to tell if your rate is still competitive.
- How Big Should Your Emergency Fund Be? A Simple Way to Size ItSize an emergency fund around essential expenses, adjust for job risk and household, and decide where to keep it, with an illustrative worked example.
Currency & travel
- How Currency Exchange Spreads Work (and How to Spot a Bad Rate)The mid-market rate vs. the rate you actually get: how FX spreads and fees work, how to calculate the markup, and how to keep more of your money.
- The Cheapest Ways to Exchange Currency When TravelingCompare cards, ATMs, banks, and airport kiosks for spending abroad, learn which fees to watch for, and build a simple low-cost travel money plan.
- Dynamic Currency Conversion: Why You Should Usually Pay in Local CurrencyWhat dynamic currency conversion is, how it hides a markup at card terminals and ATMs, how to spot it, and what to do if you were charged.
Fuel & driving
- How to Calculate Gas Cost for a Trip (Step by Step)A simple formula for estimating fuel cost per trip, finding your real MPG, splitting costs with passengers, and mistakes that skew the estimate.
- Fuel Economy and Road-Trip Budgeting: Plan Your Driving CostsBuild a road-trip budget around fuel economy: estimate gallons, compare vehicles, plan fuel stops, and account for tolls, lodging, and real-world MPG.