THE FOUNDATIONS OF MONEY

I have seen too many people want to run before they can walk. Novice investors jumping into crowdlending without having an emergency fund. People dreaming of early retirement while accumulating credit card debt at 20% interest. Families going into debt because they never talked about money. Brilliant freelancers losing their businesses because they didn’t separate personal and business finances.

This book is about the foundations. About everything you need to know before investing a single euro. About understanding your income and expenses, mastering the psychology of money, building an emergency fund, planning for retirement, teaching your children, protecting your business. It’s about real financial education, the kind that allows you to make informed decisions and live without anxiety.

💰 The Treasure Map: Income, Expenses, and the True Value of Money

Money is nothing more than a tool. A means to exchange value. When you work an hour, you are exchanging an hour of your life for a certain amount of money. When you buy something, you are exchanging the time it took you to earn that money for that object or service. This simple equation, when you truly internalize it, completely transforms your relationship with money.

Personal reflection exercise: Calculate your hourly wage. If you earn $2,000 a month and work 160 hours, your hour is worth $12.50. Now, every time you consider a purchase, ask yourself: is this object worth the X hours of my life it cost me to earn that money? A $3 coffee = 15 minutes of your life. A $50 dinner = 4 hours. An $800 smartphone = 64 hours (almost two work weeks). A $25,000 car = 2,000 hours (over a year working just for the car).

📊 The 30-Day Expense Log (The Most Important Exercise You Will Ever Do)

For the next 30 days, write down all your expenses. Absolutely all of them. The morning coffee, the bus ticket, the Netflix subscription, the gift you gave your niece. You don’t need to change anything yet. Just observe. You are a scientist collecting data.

At the end of the month, sit down with your list and ask yourself: How much did I spend in total? How much on real needs vs wants? What expenses surprised me? What expenses didn’t bring me happiness proportionate to their cost? What is my real savings rate? Most people underestimate their expenses by 20% to 40%. That difference is exactly what could be going into your savings and investment fund.

⚡ Compound Interest: The Silent Hero (The Eighth Wonder of the World)

Albert Einstein reportedly called compound interest “the eighth wonder of the world”. He who understands it, benefits from it. He who does not, pays for it. Compound interest is, essentially, interest that generates interest. It’s making your money have children, and those children have grandchildren.

The most important variable: time. Look at this table carefully. Ana starts at 25, contributes $100/month. Carlos starts at 35, contributes $100/month. Elena starts at 45, contributes $200/month (double). Who ends with more?

Elena contributed twice as much monthly as Ana, and yet, by starting 20 years later, she ended up with less than half at 5% and less than half at 8%. It’s better to start with little early than with a lot late.

🛡️ The First Shield: How to Build an Emergency Fund from Scratch

In all my years of financial consulting, the people who manage to build long-term wealth have one thing in common: a solid emergency fund. It’s not glamorous. It doesn’t appear in finance magazines. But it is the foundation upon which everything else is built.

How much do you need? 3 to 6 months of essential expenses. But it depends on your situation: Western Europe (3-4 months), United States (6-12 months), self-employed/freelance (6-12 months), civil servant (2-3 months).

Where to keep it: Separate bank account (preferably at a different bank), high-liquidity remunerated account, money market fund. Not in stocks, not in crypto, not in real estate, not lent to friends.

🧠 Your Brain Sabotages You: The Biases That Lead to Poor Financial Decisions

The biggest enemy of your finances is not inflation, nor the banks, nor the government. It’s you. Our brain is designed for the African savanna, not for financial markets. 100,000 years ago, if you saw a snake, you fled. If you saw a fruit, you ate it. If the group ran somewhere, you ran with them. Today, those same instincts play tricks on us.

• Loss aversion: Losing $100 hurts twice as much as gaining $100 feels good. You sell during drops to avoid further pain.
• Confirmation bias: You only seek information that confirms your decisions. You ignore warning signs.
• Overconfidence: 90% of drivers think they’re better than average. 74% of investors believe they will obtain above-average returns (mathematically impossible).
• Herd behavior: You follow the crowd. You buy at peaks and sell at bottoms.
• Present bias: You prefer $100 today over $150 tomorrow. You spend now instead of saving for the future.
• Familiarity bias: You disproportionately invest in stocks from your own country, ignoring geographic diversification.

The antidote: systems, not willpower. Automation, the 24-hour rule, decision architecture, precommitment, a decision journal. You cannot eliminate your biases, but you can build systems that protect you from them.

📋 The 50/30/20 Rule (And How to Adapt It to Your Reality)

Popularized by U.S. Senator Elizabeth Warren, this rule is an excellent starting point:

• 50% for needs: Rent or mortgage, basic food, essential transport, utilities, minimum insurance.
• 30% for wants: Leisure, travel, restaurants, clothes you don’t need, subscriptions, hobbies.
• 20% for savings and investment: First emergency fund, then long-term investments, then specific goals.

How to adapt: If you live in an expensive city (London, New York, Paris), rent may take 60%. You’ll need to adjust wants and savings. If you have high income, you can save 40% or more. If you’re self-employed, you need a larger cushion first.

📈 The Intelligent Investor: Basic Principles Before You Invest

This chapter is the bridge between basic financial education and the world of investing. Before running, make sure you know how to walk.

The three pillars of investing: Risk (there is no investment without risk), Return (what you expect to gain), Liquidity (ease of converting to cash). You cannot have maximum return, minimum risk, and maximum liquidity all at once. You always have to sacrifice something.

The power of periodic investing (Dollar Cost Averaging): Instead of trying to guess when to buy, invest a fixed amount each month. You buy more when it’s cheap and less when it’s expensive. The average purchase price smooths out over time.

📉 Active vs. Passive Investing: Costs, Time, and Probabilities

The evidence is overwhelming. According to SPIVA reports from S&P Dow Jones, between 80% and 95% of active funds fail to outperform their benchmark index over 10 to 15-year periods. In the United States, over 85% of large-cap funds fail to beat the S&P 500 over a decade.

The devastating effect of fees: A 1% annual fee can reduce a $100,000 portfolio by about $30,000 over 20 years. The difference between a typical active fund (2%) and a cheap passive fund (0.25%) is over $55,000 over 40 years.

For most people, the best strategy is: Invest in global index funds or ETFs with very low costs (Vanguard, iShares, Fidelity). Hold the investment long-term (decades). Don’t touch it, don’t look at it daily, don’t make constant decisions. Let compound interest do its magic.

👨‍👩‍👧‍👦 Family Finances: From 7 to 70 Years

Financial education starts at home. The CFPB (U.S.) “Building Blocks” framework: Ages 3-5 (Executive Function: self-control, basic planning), Ages 6-12 (Financial Habits: saving, planned spending, needs vs wants), Ages 13-21 (Financial Decision-Making: budgeting, credit, investing, risk management).

The three-jar method for children: Spend (daily purchases), Save (medium-term goals), Share (gifts, donations). This teaches delayed gratification, goal setting, and generosity.

🏢 For Entrepreneurs and Small Business Owners

The golden rule: total separation between personal and business finances. Open a specific bank account for your business. Pay yourself a salary. Do not mix the family grocery shopping with business expenses.

The 5 indicators every entrepreneur should monitor: Gross margin, break-even point, days sales outstanding (DSO), days payable outstanding (DPO), current ratio.

📚 The Complete Trilogy

The Foundations of Money (this book) is the first and most important of the trilogy. Without these foundations, the other two books make less sense.

• Book 1: The Foundations of Money — Basic financial education: budget, saving, psychology, planning, emergency fund, retirement.
• Book 2: The Awakening of Your Savings — Crowdlending and the S.P.I. Method (Systematic Platform Intelligence): 47 objective analysis points to eliminate subjectivity and biases.
• Book 3: The Code of Idle Money — All forms of passive income: rentals, dividends, royalties, automated digital businesses, intellectual property.

📧 How to order (simple email process)

📘 The Foundations of Money

$8 / €8 — PDF + EPUB — 350+ pages

Includes: 20 chapters, 30-day expense log template, 50/30/20 rule, compound interest tables, emergency fund calculator, behavioral bias self-diagnosis test, country-specific retirement planning guides, glossary of financial terms, and the 5 enemies of your investment.

📧 Email to purchase The Foundations of Money