A note before we begin
I had planned to write about the time value of money next. That's what I promised at the end of Issue #001.
But after that issue went out, the same question kept landing in my inbox:
What about my credit card debt?
So we're going there first. Time value of money will wait. This won't.
The concept hasn't changed. The direction has.
Last issue, Maria invested $200 a month starting at 25, and four decades later she had over half a million dollars. The lesson was simple: compound interest, given enough time, is the most powerful force in personal finance.
Here's what I didn't tell you.
Compound interest doesn't care which direction it runs.
The same math that built Maria's $525,000 is the math sitting inside every credit card statement in America. Same formula. Same exponential curve. Same quiet, relentless acceleration.
Just pointed the other way.
And running roughly three times faster.
The long-term stock market averages around 7% a year. The average credit card APR right now is 21.52%. When compounding works for you at 7%, it takes decades to do its magic. When it works against you at 21.52%, it doesn't need decades. It barely needs years.
Most Americans are on the wrong side of this equation. Total U.S. credit card debt crossed $1.3 trillion in early 2026 — the highest level ever recorded. Roughly half of all cardholders carry a balance from month to month. About half of Americans now describe revolving credit card debt as "normal."
It is normal. That's the problem.
Maria, in another life
Let's go back to Maria. Same Maria from Issue #001 — 25 years old, first real job, money she could put somewhere.
In the version you already met, she invested $200 a month. Forty years later, she retired with roughly $525,000.
Now imagine a different Maria. Same age, same job. But instead of investing, she's carrying a $6,500 credit card balance — roughly what the average American cardholder carries today — at the average 22% APR.
She's responsible. She pays the minimum every month. Never misses one.
Here's what happens.
That $6,500 balance takes her 21 years to pay off. By the time she's done, she will have paid roughly $17,000 to clear the original $6,500. About $11,000 of that is interest.
Stop on that for a second.
She borrowed $6,500.
She paid back $17,000.
The credit card company earned more from her in interest than she originally borrowed.
"One Maria spent two decades letting compound interest grow her money. The other Maria spent two decades letting compound interest grow someone else's."
Same Maria. Same math. Two completely different lives.
The only thing that changed was which direction the math was running.
What to do this week
You don't need to fix this overnight. You just need to start running the math the other way.
1. Look up your APR. Most people genuinely don't know it. Check your last statement and write the number down.
2. Find the box on your statement. By federal law, every monthly statement shows you how long it would take to pay off your balance making only minimums — and how much you'd pay in total. Find that box. Look at the number. Let it land.
3. Don't make a plan yet. Next issue we'll cover why the system is built this way, and the issue after that we'll cover how to beat it. For now, just get the numbers in front of you.
That's the start. Everything else builds from there.
— JMG
Term of the Week: APR (Annual Percentage Rate)
The yearly cost of borrowing money, expressed as a percentage. On a credit card, it's the speed at which your balance grows when you don't pay it off in full. The higher the APR, the faster compound interest works against you.
The average APR for U.S. credit card accounts assessed interest is 21.52% as of Q1 2026.
Coming up in Issue #003: The machine: why credit card debt is built to last 21 years.
A credit card isn't a bad product. It's a short-term tool being used as long-term debt by tens of millions of households — at the highest interest rate in consumer finance.
No institutional borrower would ever do this. They were taught not to. Most consumers were never taught at all.
Next issue, we'll take it apart.
Andiamo Money is for educational purposes only. Not financial advice. Always consult a licensed professional before making financial decisions.