10 weird ways to grow your money — starting with the stuff you already own

You don't always need another stock.

Or another exchange-traded fund (ETF).

Or another hot cryptocurrency that someone on the internet insists is “the next Bitcoin.” 🙄

Sometimes, you just need to look around.

Inside the garage.

The attic.

The storage cupboard.

Your old laptop.

Your forgotten skills.

Even that mysterious box your parents told you never to throw away.

Because here's the unconventional wealth-building idea:

That's the opportunity most people miss.

🏚️ Level 1: Find money before you invest money

Start with the easiest “investment” of all:

sell something you already own.

In the U.S., Bankrate found in 2024 that 43% of adults had at least one unused gift card, voucher or store credit, with an average unused balance of $244.

That's not an investment portfolio.

That's money hiding in a junk drawer.

Now expand the search.

Old cameras. Watches. Toys. Video games. Tools. Sports equipment. Branded clothing. Books. Collectibles. Electronics.

The trick is not assuming everything old is valuable.

Vintage ≠ valuable.
Rare ≠ valuable.
Expensive ≠ valuable.

The real question is:

Does somebody actually want this—and what have they actually paid for it?

Check completed sales rather than optimistic asking prices.

Your first wealth-building experiment can therefore cost $0.

Find five things.

Sell them.

Put the proceeds into your investment account.

Congratulations.

You just created investment capital without asking your employer for a raise.

🔎 Level 2: Become dangerously knowledgeable about one weird thing

Here's where the game gets more interesting.

Don't try to understand everything.

Pick one tiny market.

Vintage cameras.

LEGO.

Trading cards.

Mechanical keyboards.

Golf equipment.

Musical instruments.

Old tools.

Vintage audio.

Replacement parts for discontinued products.

Why?

Because your potential edge comes from pattern recognition.

After studying 100 cameras, you start noticing that one particular model is undervalued.

After seeing 500 listings, you know which defects matter.

After following a niche for two years, you know what “rare” actually means.

That is surprisingly similar to investing.

The market doesn't reward you for knowing a little about 5,000 companies.

It can reward you for understanding one company, industry or theme better than the price reflects.

🧱 Level 3: LEGO — because apparently plastic bricks have an investment thesis

This is where things get wonderfully ridiculous.

Researchers Victoria Dobrynskaya and Julia Kishilova studied LEGO as an alternative collectible investment and found average returns of at least 11% annually, or about 8% in real terms, across their 1987–2015 sample.

Before you sell your S&P 500 holdings and fill the garage with LEGO:

Don't. 😂

The study examined a particular historical sample of collectible sets. Individual outcomes varied, and buying, storing and selling physical collectibles isn't frictionless.

But the underlying lesson is fascinating:

Limited supply + enduring demand + scarcity + nostalgia can create value.

That's useful far beyond LEGO.

It's the same question you can ask about a stock:

That brings us to competitive advantage—or economic moat.

🎴 Level 4: Pokémon and the survivorship-bias trap

Pokémon cards provide one of the most spectacular collectible-investment headlines ever.

But this is exactly where investors need to put on their sceptical glasses. 🧐

Reported Card Ladder data has shown enormous cumulative appreciation for certain Pokémon cards compared with the S&P 500.

Sounds fantastic.

Until you ask:

Which cards?

That's the critical question.

A handful of spectacular winners can make an entire market look brilliant.

Meanwhile, thousands of ordinary cards sit quietly doing absolutely nothing.

That's called survivorship bias: focusing on the winners while forgetting the losers.

And it's everywhere in investing.

The same mistake happens when somebody says:

Great.

But could you have identified Nvidia ten years ago, rather than after it became obvious?

That's the question worth asking.

🌐 Level 5: Digital real estate

A domain name is a strange little asset.

It costs relatively little to hold, can potentially have global demand, and can sometimes become valuable because a company desperately wants a particular name.

But here's the better version:

Don't just buy digital real estate. Build on it.

Create:

• a niche website
• a research database
• a calculator
• a directory
• a newsletter
• a template library
• a software tool

Now you've moved from speculation to creation.

And that's a huge distinction.

A domain waits for somebody else to discover its value.

A useful digital product can create its own value.

🧠 Level 6: Your skills may be the strangest asset of all

This is the part where the newsletter gets slightly annoying.

Because the best alternative asset may be…

you.

Writing.

Accounting.

Coding.

Sales.

Research.

Design.

Data analysis.

Teaching.

Communication.

Artificial intelligence (AI) tools.

These skills can potentially increase your future earning power for years.

And unlike a collectible, they don't require insurance.

They don't expire.

They don't need a temperature-controlled vault.

And nobody can steal them because your LEGO box fell off a shelf.

😂

Think of it as human-capital compounding.

Learn a skill.

Use it to earn more.

Invest the additional income.

Then let your investments compound.

That's a wealth flywheel.

🎵 Level 7: Sometimes the asset is the cash flow

Here's another unusual way to think.

Instead of asking:

“What object might become more valuable?”

Ask:

“What produces money?”

Music royalties are one example of an asset tied to intellectual property—the legal rights associated with creative works.

Academic research into music-catalog valuation shows that these assets can be analyzed using expected royalty cash flows and discounted-cash-flow methods rather than simply guessing what someone might pay for the catalog later.

That's the important idea.

The object isn't necessarily valuable because it's rare.

It can be valuable because it keeps producing cash.

That's exactly how investors should think about businesses.

⌚ Level 8: Luxury collectibles — learn the other side of scarcity

Watches and luxury collectibles can demonstrate the same principle, but they also provide a useful warning.

Knight Frank's 2026 Luxury Investment Index reported that luxury collectibles overall fell 0.4% in 2025, while the WatchCharts overall market rose 5.1%; Rolex rose 4.6% and Patek Philippe 12.1%.

Translation:

Even fancy stuff goes through cycles.

Scarcity doesn't make an asset automatically profitable.

You still need:

Demand + liquidity + authenticity + valuation discipline.

📈 Now steal the lessons for your stock portfolio

This is where the weird stuff becomes genuinely useful.

Take the principles—not necessarily the objects.

And when trading, use the same discipline:

Write the thesis before buying.

Define what would prove you wrong.

Know your maximum acceptable loss.

Track fees and taxes.

Don't confuse a paper gain with cash in your pocket.

Compare your results with a simple benchmark.

If your exotic collectible earns 8% after all costs while a low-cost index fund earns more with almost no effort, congratulations:

You have discovered an expensive hobby. 😂

🧰 The “Weird Money” Checklist

Before trying any unusual wealth idea:

☐ Search your own home first.

☐ Pick one niche instead of chasing everything.

☐ Check completed transactions, not asking prices.

☐ Verify authenticity and condition.

☐ Calculate every fee, tax, shipping and storage cost.

☐ Start small enough that a total loss won't damage your finances.

☐ Record why you bought it.

☐ Set a review date.

☐ Define your exit plan.

☐ Compare the net return against a simple index benchmark.

☐ Never confuse rarity with demand.

☐ Scale only after you have demonstrated repeatability.

And ask the killer question:

Do I have an edge—or am I just excited?

Because “limited edition” is sometimes just marketing wearing a tuxedo. 🎩

💡 The real pain point: too many ideas, not enough signal

The problem for most retail investors isn't a shortage of opportunities. It's information overload.

There are endless stocks, ETFs, side hustles, passive-income ideas, trading strategies and “once-in-a-lifetime” opportunities competing for attention. The challenge is separating genuine opportunity from clever marketing, survivorship bias and plain old noise.

That's where newsletters such as Wealth Builder can help: curate ideas, explain the underlying thesis, compare unconventional opportunities with traditional investing, and turn interesting concepts into practical frameworks. The objective isn't to predict every winner. It's to help readers develop better filters, better questions and better habits—so curiosity becomes a process rather than another rabbit hole.

👉 Want more unusual wealth-building ideas, passive-income concepts and investing perspectives? Explore other like-minded newsletters here: Discover more Wealth & Investing newsletters​

🏁 The punchline

The lesson isn't LEGO.

It isn't Pokémon.

It isn't your attic.

It's how you look at value.

One person sees junk.

Another sees inventory.

One sees a boring company.

Another sees a moat.

One sees a skill.

Another sees a business.

One sees a falling stock.

Another sees a temporary mispricing.

You don't need to own every weird asset.

You need to become better at spotting what others overlook.

Because sometimes the next investment opportunity isn't hiding on Wall Street.

It might be hiding in your garage.

Or your laptop.

Or your brain.

Spot. Create. Compound. 🚀

#WealthBuilder #UnconventionalWealth #AlternativeInvesting #SideHustle #PassiveIncome #RetailInvesting #Investing101 #FinancialFreedom

Sources & notes

• Victoria Dobrynskaya & Julia Kishilova, “LEGO – The Toy of Smart Investors” — research from the Higher School of Economics examining LEGO as an alternative collectible investment. The authors reported average returns of at least 11% annually (8% real) for their 1987–2015 sample. Importantly, this is historical research, not a forecast.
• Bankrate, 2024 Gift Card Survey — reported that 43% of U.S. adults had at least one unused gift card, voucher or store credit, with an average unused balance of $244.
• Card Ladder / Pokémon market data — the Pokémon return figures circulating online should be treated cautiously. A cumulative index result is not the same as the return an individual investor could have achieved by randomly buying cards. Survivorship bias, selection, grading, fees and liquidity matter.
• Sasha Stoikov & Ivan Kosyuk, “Valuation of Music Catalogs” — research examining how music-catalog values can be estimated from historical royalty cash flows and discounted-cash-flow methods.
• Knight Frank, Luxury Investment Index 2026 — reported the overall luxury-collectibles index down 0.4% in 2025, while the WatchCharts overall market gained 5.1%, Rolex 4.6% and Patek Philippe 12.1%.
• S&P 500 = Standard & Poor's 500 Index, a benchmark tracking 500 leading U.S. companies. ETF = exchange-traded fund. AI = artificial intelligence. ROI = return on investment. TCG = trading card game. IRS = Internal Revenue Service, the U.S. federal tax authority.
• These examples are educational idea-sharing, not recommendations or financial advice. Alternative assets can be illiquid, difficult to value, expensive to transact and capable of losing substantial value. Investors should conduct their own due diligence and consider applicable tax rules in their country.