Geaux Deeper

Learn the why behind the numbers.

Plain-English guides to mortgages, debt, investing, paychecks, and insurance. Every article shows the math, points to the right calculator, and skips the marketing nonsense.

Mortgages & Home Buying

2 articles

10 min read

30-Year vs 15-Year Mortgage: The Real Math on Which One Saves You More

A 15-year mortgage feels disciplined. A 30-year mortgage feels flexible. The honest math is more complicated — and the right answer depends on factors most articles ignore.

9 min read

PMI Explained: When You Pay It, How Much It Costs, and How to Get Rid of It

Private Mortgage Insurance can add hundreds to your monthly payment. Here's exactly when you have to pay it, how it's calculated, and the legal way to make it disappear faster.

Debt & Payoff

1 article

9 min read

Snowball vs Avalanche: Which Debt Payoff Method Actually Gets You Out of Debt?

One method is mathematically optimal. The other has higher success rates in real life. Here's the honest breakdown of how each works, when to use which, and the strategy most people overlook.

Paychecks & Take-Home

1 article

11 min read

How Much Do You Actually Take Home? The Real Math on Paychecks in 2026

Your $80,000 salary doesn't put $80,000 in your bank account. Here's exactly where the money goes — federal tax, state tax, FICA, benefits — and why the answer is dramatically different depending on where you live.

Investing & Retirement

1 article

10 min read

Compound Interest: Why Starting at 25 vs 35 Matters More Than You Think

The math of compounding doesn't care about your intentions — only your start date. Here's what a 10-year head start actually costs (or saves) you in real dollars, and why it's almost impossible to catch up later.

Life Insurance

1 article

10 min read

How Much Life Insurance Do You Actually Need? The DIME Method, Explained Honestly

Most online calculators inflate the number to sell you more coverage than you need. Here's the real framework — DIME — for figuring out the right amount, plus the term-vs-whole-life decision that most people get wrong.