Guides & Articles
Plain-English guides to help you make sense of the numbers.
Renting vs. Buying a Home: How to Decide
Buying is not always better than renting. Learn the real costs of ownership, the break-even horizon, and how to make the right call for your situation.
May 20, 2026
How Big Should Your Emergency Fund Be?
Why an emergency fund matters, how many months of expenses to save, and where to keep it.
May 13, 2026
How Much Should You Tip? A Simple Guide
Standard tipping percentages for restaurants, delivery, and services in the US — plus how to split a bill fairly.
May 6, 2026
How to Calculate Your GPA (Step by Step)
Understand grade points, credit hours, and how to compute both a semester GPA and your cumulative GPA.
April 29, 2026
How to Find Your Break-Even Point
The break-even point tells you how much you must sell to cover costs. Here is the formula and how to use it to price products and plan a business.
April 22, 2026
How Federal Income Tax Brackets Actually Work
The most misunderstood part of taxes: moving into a higher bracket does not tax all your income at that rate. Here is how marginal rates really work.
April 15, 2026
What Is a Good ROI? Understanding Return on Investment
ROI explained simply: how to calculate it, the difference between total and annualized return, and what counts as a "good" return.
April 8, 2026
What Is My Hourly Rate? Converting Salary to Hourly Pay
How to convert an annual salary into an hourly, daily, weekly, and monthly rate — and why the standard 2,080-hour year is the key number.
April 1, 2026
How to Calculate Percentages (The Easy Way)
Percent of a number, percentage change, and "X is what percent of Y" — the three calculations you actually use, explained with simple examples.
March 25, 2026
How Car Loans Work: Rates, Terms, and Total Cost
Before you finance a car, understand how loan term, interest rate, and down payment affect your monthly payment and the total you really pay.
March 18, 2026
Debt Snowball vs. Avalanche: Which Pays Off Debt Faster?
Two proven strategies to get out of debt. One saves the most money; the other keeps you motivated. Here is how to choose.
March 11, 2026
How Many Calories Should You Eat a Day?
Learn how BMR and TDEE determine your daily calorie needs, and how to set a target for losing, maintaining, or gaining weight safely.
March 4, 2026
How Much Money Do You Actually Need to Retire?
The 4% rule, the 25x guideline, and how to turn your desired retirement lifestyle into a concrete savings target you can plan around.
February 25, 2026
How to Calculate Your Monthly Mortgage Payment
Understand exactly what makes up a mortgage payment — principal, interest, taxes, insurance, and PMI — and how to estimate yours before you ever talk to a lender.
February 18, 2026
BMI and What It Actually Tells You (and What It Doesn't)
BMI is the most common health screening number — but it has real limitations. Here is how to interpret it correctly and what to measure alongside it.
February 10, 2026
Understanding Your Paycheck: Gross vs. Net Pay and Every Deduction
Where does your money go before it hits your bank account? A breakdown of federal tax, FICA, state tax, and pre-tax deductions — and how to estimate your take-home pay.
February 3, 2026
Compound Interest Explained: Why Starting Early Beats Saving More
A plain-English guide to compound interest, the rule of 72, and why a 25-year-old who invests $200/month can out-save a 35-year-old who invests twice as much.
January 22, 2026
How Much House Can I Afford? A Complete 2026 Guide
Learn the 28/36 rule, what lenders actually look at, and how to calculate a realistic home budget based on your income, debts, and down payment.
January 15, 2026