The most reliable investment over 50 years. No skill required, near-zero fees (0.03%), and a 95% probability of gain over 10 years. The secret weapon of billionaires like Warren Buffett, who recommended a simple S&P 500 ETF in his will.

The best guaranteed-return investment. Every skill learned permanently increases your market value. A quality course can multiply your income 2 to 5x. The highest documented ROI of all asset classes over 10 years.

The best tax-advantaged investment available in Switzerland. Deduction of CHF 7,258/yr from taxable income (saving CHF 2,000-3,500/yr by canton). Invested in ETFs via VIAC or finpension = historical net return of 8-10%/yr after fees.

ETFs targeting specific sectors (tech, healthcare, green energy) or alternative strategies (momentum, low volatility). Outperform broad ETFs at times, less diversified so riskier. An excellent complement to a classic ETF portfolio.

Furnished rental with an advantageous tax regime allowing you to depreciate the property and drastically cut tax. One of the few schemes letting you collect rent nearly tax-free for 15-20 years.

Buying a property to rent out. Average gross yield of 4-6% in France. Bank leverage is the main advantage: invest 20% equity to own 100% of the property. Watch real costs (property tax, repairs, vacancy, management).

Buy-and-hold long-term strategy. Exceptional historical return (+54%/yr over 2014-2024 per BlackRock) but extreme volatility. Requires strong conviction and a minimum 5-year horizon to smooth halving cycles.

Listed real-estate companies distributing 90% of profits as dividends. Combines stock liquidity with real-estate income. Correlated to equity markets, so real volatility is higher than physical real estate.

Building software sold by subscription. Predictable recurring revenue, gross margins of 70-90%, very high valuation (10-30x annual revenue). Requires technical expertise or a CTO co-founder.

Pooled real estate accessible from €200. Average yield of 4-5% distributed quarterly. Fully delegated management. Ideal for real-estate exposure without rental-management hassle. High entry fees (7-12%).

Buy, renovate and resell at a profit. Can yield 15-30% margin on a well-executed deal. Requires renovation expertise, professional taxation, significant capital and a strong local network. Not a passive investment.

Second cryptocurrency by market cap. Smart-contract platform underpinning most of DeFi and NFTs. Staking possible (4-5%/yr extra). Lower historical return than Bitcoin but a far richer ecosystem.

The safe-haven asset par excellence. Average return of 5-7%/yr over 50 years but no dividend. Protection against inflation and systemic crises. Gold ETF (GLD) is more practical than physical.

Creating and selling digital courses on your expertise. Very high margins (80-90%), unlimited scalability, no inventory. The global e-learning market will reach $400 billion in 2026.

Loans to governments in exchange for a fixed return. Considered the safest asset in the world : US and German bonds serve as the global benchmark. Low but predictable yield. Ideal for the defensive part of a portfolio.

Real-estate investment accessible from €8-15,000. Ultra-simple management, little vacancy, no major damage. Yield of 5-8% in large cities. Same tax regime as classic rental real estate.

Investment in unlisted companies. Historical returns above listed markets (13-15%/yr over 20 years) but total illiquidity over 5-10 years and minimums often > €100,000. Democratised by FCPRs accessible from €5,000.

Selling digital services to businesses. Possible to start with €0 capital. Recurring revenue via monthly retainers. Glass ceiling tied to hours worked unless you scale with a team.

A capital-guaranteed investment held within life insurance. Average return of 2.5% in 2024, rising with rates. Capital available at any time. Perfect for the secure sleeve of a life-insurance portfolio.

Investment in forestry or agricultural land groups. Yield of 2-4%/yr plus land appreciation. Very illiquid, advantageous ISF/IFI tax treatment. Low correlation with financial markets.

Promoting other companies' products for a commission (5-50% by sector). The best affiliates in finance, SaaS or health earn €10,000-100,000/month.

Buying individual shares of listed companies. Potentially very profitable but requires serious analysis. The majority of retail investors underperform the market by picking their own stocks.

Financing property developers via platforms. Advertised yield of 8-12% over 12-24 months. Real risk of developer default, poorly documented. Capital locked for the full duration.

Loans to private companies. Higher yield than government bonds in exchange for default risk. High-yield bonds can offer 6-10% but with significant loss risk.

The world's best hedge funds (Renaissance, Bridgewater) beat the market. But they are closed to retail investors, require minimum entry tickets of $10M, and charge "2 and 20". The elite reserved for the elite.

Prop firms fund traders who pass their "challenges". Looks tempting on paper. In practice, 93% of entrants fail, 7% receive a payout, and the business model relies on losers' entry fees.

Buying rights to future income from creative works or patents. Platforms like Royalty Exchange let you buy music royalties. Predictable income stream, an asset uncorrelated to markets.

Selling products on Amazon by storing them in Amazon warehouses. Access to 300 million customers. High fees (30-40% of revenue), risk of Amazon copying your product, significant upfront capital.

Swiss tied life insurance, less advantageous than 3a but uncapped. Deductible in some cantons. Often sold by insurers with opaque fees. Compare with a securities account + ETF before signing.

Collective management by professionals. Higher fees than ETFs (1-3%/yr), performance generally below indices over 10 years. Can be relevant for access to niche markets hard to replicate with ETFs.

More volatile than gold, with an industrial component (semiconductors, solar panels). The gold/silver ratio historically at 60:1, currently 80:1 : often read as an arbitrage opportunity.

Creating and selling designs on t-shirts, mugs, posters via Printful, Redbubble, Merch by Amazon. No inventory, very low margins (10-20%). Passive income possible once the catalogue is built, but massive competition.

The best rate among regulated savings accounts (4% in 2024) reserved for modest incomes. Cap €10,000. Often ignored by eligible people. Little known and underused.

Cryptocurrencies pegged to the dollar. Let you stay in crypto without volatility exposure. Used for yield farming (5-12%/yr) or to store value. Non-zero de-peg risk (parity loss).

Buying a property while the seller keeps usufruct until death. Discounted price in exchange for a monthly annuity. Profitable if the seller dies early, disastrous if they live long. Complex ethical dimension.

Lending directly to individuals or SMEs via platforms. Yields of 4-9%/yr. Borrower-default risk, platform risk. Several P2P platforms went bankrupt in Europe since 2019.

Selling products online with no inventory, having the supplier ship directly. Low barrier to entry, extreme competition, compressed margins. The vast majority of Shopify stores close within 12 months.

A deposit locked for a fixed term in exchange for a guaranteed rate. Rates of 3-4% over 12-24 months in 2024. Guaranteed by the deposit-guarantee fund (€100,000). Ideal for company treasury or precautionary savings.

Active cryptocurrency trading combines the difficulty of classic trading with the extreme volatility of digital assets. 84% of crypto traders lose in the first year. Survivors face complex taxation and hacking risks.

The hedge-fund industry as a whole has underperformed the S&P 500 for 15 years. 79% of active funds are beaten by a simple ETF over 10 years. High fees, opacity, and lock-up periods for mediocre returns.

Locking crypto to secure a network (staking) or provide liquidity. Real yields of 4-8% for institutional staking, up to 100%+ for DeFi with equivalent risk.

State-guaranteed regulated savings, rate set by the government. Currently 3% net of tax. Cap €22,950 + €12,000. Total liquidity. Real return often negative after inflation.

Startup investing offers x10 to x100 potential, but 90% of startups fail and 75% of VC investments never return the capital invested. A portfolio of 15+ deals is needed to hope for a positive return.

The reality nobody wants to hear: 74 to 89% of retail traders lose money, according to a study covering 8 million traders over 27 years. Active trading is a full-time job, not a lucrative hobby.

Managing adult content-creator accounts by automating interactions via AI. Explosively growing market but ethically complex, legally murky by country, and heavily dependent on platform policies.

A collective system where members pay regularly into a common pot. Practised since the 17th century. Still used in modernised form within life insurance. African and Asian tontines (njangi, hui) are active forms of community savings.

Locked savings to finance a property project. Rate of 2.25% since 2024. Tax advantage gone since 2018. Mainly useful for the associated loan if market rates > PEL rate.

Alternative cryptocurrencies to Bitcoin and Ethereum. Extreme volatility, brutal bull/bear cycles. A few serious projects, many tokens with no real utility. Picking winners is more luck than fundamental analysis.

Access via ETF (CRB Index), futures or certificates. Highly cyclical, driven by global geopolitics. Contango (the futures structure) can destroy value even if the spot price rises.

Memecoins are the financial equivalent of Russian roulette. 99% of launched tokens go to zero. The media-hyped "success stories" hide millions of losers. The market is manipulated by insiders and bots.

On-blockchain financial protocols with no intermediary. Potentially very high yields but extreme risks: buggy smart contracts, hacks, rug pulls. Reserved for technical experts with speculative capital.

Paintings, sculptures, wine, watches, classic cars, sports cards. Yield of 7-10% on some premium segments. Illiquid market, expertise required, auction-house commissions (20-25%).

Using computing power to validate transactions and earn crypto. Bitcoin mining is only accessible to industrial players since 2020. Profitability depends on price, electricity cost and network difficulty.

Delegating trades to an algorithm or robot. Appealing in theory, disappointing in practice for retail. Truly profitable algos live in hedge funds and cost millions to develop. Bots sold online mainly exploit the fees they charge.

A tangible asset, uncorrelated to markets. Very opaque market, illiquid, huge transaction costs. Lab-grown (synthetic) diamonds have been crashing natural prices since 2020.

Contracts giving the right to buy or sell an asset at a set price. A powerful hedging tool for institutions, a loss-making machine for retail speculators. Time decay (theta) destroys value every day.

Deferred buy/sell contracts at an agreed price. Used by farmers to lock in prices and by speculators to bet on commodities, indices or currencies. Very high leverage, proportional risk.

Leveraged derivatives issued by banks. Can multiply gains and losses. They have a limited lifespan and lose value every day through time decay. Reserved for absolute market experts.

Digital ownership certificates on a blockchain. The market exploded in 2021 then collapsed 97% in 2023. The vast majority of NFTs are now worthless. A few projects hold value but in a very illiquid market.