“Tutti i debiti sono uguali” is wrong.
A €250,000 mutuo at 3% and a €2,000 revolving balance at 21% are both debt. The first is a tool that lets Giorgio own a home. The second is a system that extracts money from its holder every month. Same word, completely different economics.
This lesson separates “good” debt from “bad” debt, introduces the two numbers that let you compare any Italian loan (TAN and TAEG), and explains why credit card revolving is almost always a disaster.
What debt actually is
Debt is borrowing consumption from the future. You get the money (or the thing) today, and you promise to repay with future income — plus interest, which is the price of that time-shift.
The fundamental question: does the thing you’re buying create more value over the loan’s life than the interest costs?
- Mutuo for a house you’ll live in or rent out: the house produces value (housing or rent). Good debt if the math works (more on this in Module 6).
- Loan to buy a car for getting to work that lets you take a job 30% better paid: produces value. Good debt.
- Loan to pay for a vacation: produces memories, not financial value. Bad debt.
- Revolving credit card balance you roll forward: the thing you already bought isn’t being used to make money back. Compound interest works against you. Very bad debt.
TAN and TAEG — the only two numbers that matter
When you read any Italian loan offer, two interest rates appear:
- TAN — Tasso Annuo Nominale. The nominal interest rate. What the bank will call the “rate.” Ignores fees.
- TAEG — Tasso Annuo Effettivo Globale. The effective annual rate. Includes fees, compulsory insurance, application costs, stamp duty. The true cost.
Always compare loans by TAEG. Never TAN alone.
Example: two personal loans, both advertising:
- Loan A: TAN 6%, TAEG 7.2% (modest fees).
- Loan B: TAN 5%, TAEG 8.9% (low TAN but heavy upfront and insurance costs).
Loan A is cheaper by 1.7 percentage points despite the higher nominal. Only the TAEG reveals this.
The main Italian debt products, ranked by reasonableness
1. Mutuo (mortgage)
A long-term loan (15-30 years) to buy real estate, secured by the property itself.
- TAEG range (2024-2025): 3.0-4.5% for prima casa; higher for second homes.
- LTV (loan-to-value): usually max 80% for retail; 90% or 100% available with state guarantees (Consap Fondo Garanzia) for young first-time buyers.
- Fixed vs variable: fixed locks your rate for the loan’s life; variable tracks Euribor + a spread. Fixed usually slightly more expensive but predictable.
- Surrogazione. Italian law allows you to move your mutuo to another bank (at lower rates) for free. If you have a mutuo, check surrogazione options yearly.
Good debt when: you’d be paying rent of similar amount otherwise, you plan to stay 5+ years, the math of lesson 43 (buy vs rent) works.
2. Prestito personale
Unsecured loan for personal needs (car, home appliances, consolidation, big expense). Bank runs a credit check, approves or declines.
- TAEG range: 6-12% typically.
- Duration: 1-7 years.
- Amount: typically €5,000-€50,000.
Good debt when: the purpose is productive (job-related car, professional training, urgent necessary expense), and the TAEG is reasonable. Bad when: it’s funding lifestyle.
3. Prestito finalizzato
Sold at the point of purchase (car dealership, electronics store). “Buy now pay in 24 interest-free installments!”
- Often genuinely 0% or near-zero on promotion products. The retailer eats the cost as a sales tool.
- BUT: always check the TAEG. Sometimes “0% interest” hides high fees (pratica, gestione) that push TAEG to 5-10%.
Rule: if the math is truly 0% TAEG, it’s free money to the buyer — take it. Otherwise, probably skip.
4. Cessione del quinto
Specific to dipendenti and retirees: up to 1/5 of net salary withheld monthly by the employer and paid to the lender. Because deduction is at the source, default risk is low → lenders offer competitive TAEG.
Often advertised to people with credit challenges. Useful in some cases; watch for aggressive upselling and excessive insurance (mandatory by law, but excessive policies are common).
5. Carta di credito revolving
The dangerous one. A credit card where you can pay only a minimum amount each month and roll the balance, paying interest on what remains.
- TAEG: 18-25%, sometimes higher.
- Compounding: daily. Each month’s unpaid balance plus interest becomes next month’s balance.
Example: Sofia’s friend Marco carries a €3,000 balance at 22% TAEG, paying the €60/month minimum:
- Interest in year 1: €600+.
- Total years to pay off at minimum: 8+ years.
- Total interest paid: €4,500+ — more than the original balance.
This is the math that destroys household finances silently. Paying the minimum is designed by the issuer to maximize their revenue, not minimize your cost.
If you carry a revolving balance: pay it off as fast as possible, even at the cost of skipping investments. The guaranteed “return” of eliminating a 22% debt beats any plausible investment return.
6. Buy Now Pay Later (Klarna, Scalapay, etc.)
The newer trap. “Split into 3 interest-free payments!”
- On paper: 0% interest.
- In practice: encourages impulse purchases at magnitude-higher rates than straight cash would.
- Missing a payment triggers fees and interest (sometimes 30%+).
If you can’t pay for something in cash today, you probably shouldn’t be buying it — that’s the rule. BNPL breaks the natural friction that keeps consumption in check.
The debt payoff order (if you have multiple)
Two schools:
Avalanche method: pay highest-TAEG first
Pay minimums on everything. Put every extra euro on the highest-rate debt until it’s gone. Then the next. Most math-optimal.
Snowball method: pay smallest-balance first
Pay minimums on everything. Put every extra euro on the smallest balance. Psychologically rewarding because you eliminate debts fast. Less math-optimal but actually effective because humans need momentum.
Recommendation: avalanche if you’re disciplined, snowball if you need visible wins.
Always: eliminate revolving credit first, regardless of balance. Its TAEG is so high that it breaks the usual math.
When debt is actually rational
There are cases where taking on debt is the right move even when you have cash:
- Mutuo when your mutuo rate is below your expected investment return. If your mutuo is 2% fixed and your expected real return from a diversified portfolio is 5%, paying extra on the mutuo is suboptimal. Invest the extra money instead. (With caveats: risk, tax, emotional comfort.)
- Business loan for expansion with positive NPV. If borrowed money generates more return than it costs.
- 0% promotional financing on things you’d buy anyway. Free float on money.
Outside those, most personal debt destroys wealth. Default to “minimize debt” unless you have a specific reason.
The Italian credit-card quirk
Standard Italian credit cards (not revolving) are usually “a saldo”: the full balance is auto-paid from your conto corrente on the 15th of the following month. No interest, ever. Just a convenient payment rail.
Revolving versions exist but require opt-in. Don’t opt in unless you fully understand what you’re agreeing to. Many people accidentally enable revolving and carry balances without realizing.
Check your card’s exact terms. If it says “pagamento rateale” or “rateizzazione automatica,” that’s revolving. Switch to “a saldo” unless you genuinely need the flexibility and are willing to pay for it.
Consolidation: sometimes smart, often a trap
Debt consolidation combines multiple debts into a single loan, usually at a lower rate than the worst.
Smart when: you replace high-rate revolving (20-25%) with a moderate-rate personal loan (7-9%). Saves interest.
Trap when: you consolidate, pay it down slowly, then rack up new debt on the freed-up cards. You end up with both.
If you consolidate, cut up the revolving cards. Really.
What to do with this lesson
Three concrete steps:
- List every debt you have. Mutuo, personal loan, credit card balance (revolving or not), BNPL, family loans. Write down TAEG, balance, monthly payment.
- If you have revolving balance, make it priority #1. More important than investing. More important than extra emergency fund. Pay it off hard.
- Check if your mutuo is due for surrogazione. If rates have dropped since you took it out, you can often save thousands by moving it to another bank. Free, requires ~2 months of paperwork.
Sources
- Banca d’Italia — Rilevazione sui tassi di interesse effettivi globali.
https://www.bancaditalia.it/compiti/vigilanza/normativa/archivio-norme/circolari/(retrieved 2025-02). - Agenzia delle Entrate — Detrazione interessi mutuo prima casa.
https://www.agenziaentrate.gov.it/(retrieved 2025-02). - Fondo di Garanzia Prima Casa (Consap) —
https://www.consap.it/(retrieved 2025-02).
Next lesson: CRIF, Experian, and Italy’s quiet credit scoring — why there’s no “FICO” in Italy but banks still track you, and when it matters.