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Your first budget, why money that grows on money matters, why the same $100 buy less every year, and your first credit card.

1. 1/4 · 6 min ✓ Read Read The 50/30/20 rule for your first budget How to build your first budget in Mexico: from your real take-home pay to a plan that survives a normal month.
2. 2/4 · 5 min ✓ Read Read Simple vs. compound interest What compound interest actually is, why time matters more than the amount you start with, and how the same force works against you on a credit card.
3. 3/4 · 5 min ✓ Read Read What inflation is, and how it hits you Why the same money buys less over time, how a raise can still be a pay cut, and what central banks are actually doing when they raise rates.
4. 4/4 · 6 min ✓ Read Read Your first credit card (and how not to wreck yourself) What the CAT really is, why the minimum payment is a trap, how the interest starts running, and what a credit history buys you later.

The dollar in pesos, what a share actually is, what happens inside an exchange, and what the S&P 500 measures.

1. 1/4 · 5 min ✓ Read Read What it means when the peso weakens A beginner's guide to how the peso-dollar exchange rate works: who moves it, why it swings, and what it means for your money.
2. 2/4 · 6 min ✓ Read Read What you actually buy when you buy a share A share is a piece of a company, not a number on a screen. Where its value comes from, why the price moves, what a dividend is, and why it is not a lottery ticket.
3. 3/4 · 6 min ✓ Read Read How a stock exchange actually works What happens between pressing buy and owning a share: the order book, the BMV, its hours, who regulates it, what an index is and what you would see if you walked in.
4. 4/4 · 5 min ✓ Read Read Why the S&P 500 goes up or down What the S&P 500 actually measures, the four forces that move it, and why the daily number is mostly noise.

The order that works before you buy anything, the traps almost everyone falls into, and what an ETF really gets you.

1. 1/2 · 6 min ✓ Read Read 3 common mistakes when you start investing Saving and investing do different jobs. Here's the order that works, and the signal that tells you you're ready to start investing.
2. 2/2 · 6 min ✓ Read Read ETFs: five hundred companies in one go What an ETF is, why it diversifies, what its fee really costs you, two real examples (an S&P 500 ETF and NAFTRAC), and how it differs from picking single shares.