In 1848, gold was discovered in California.

Within months, tens of thousands of people dropped everything and flooded west. Farmers, clerks, sailors - everyone convinced they were about to strike it rich. Most of them never did. They dug holes, burned through savings, and went home with nothing.

But one bloke didn't go looking for gold.

Samuel Brannan heard the news, packed up his store, and started selling picks, shovels, and pans to every gold digger who passed through.

He became the first millionaire of the Gold Rush.

Not because he got lucky. Because he spotted something everyone else was too caught up in to see - the people chasing the dream still needed tools to chase it. And someone had to sell them.

Customers only pay for one thing: a solution to a problem they have.

That's it. Strip away every business book, every framework, every piece of startup advice, and you're left with that sentence.

A business exists because someone has a problem, and you have the solution.

These are what I call known problems. They're not new. They've always existed. And there's nothing wrong with building a business around one.

Want to open a mechanic shop? Everyone with a car needs one eventually (for now).

You don't need to validate the problem - you know it exists. What you do need to nail is location, the type of cars you service, and the quality of your work.

Get those three right, and you've got a real business.

But here's where it gets interesting.

The bigger opportunity - the Brannan opportunity - usually comes from what I call an unaware problem.

This is a problem that didn't exist until something changed. A new technology. A new behaviour. A new industry taking off. And suddenly there's a massive gap - a need that's real, that's growing, and that nobody's properly solved yet.

John D. Rockefeller saw one of these. When the industrial revolution took off, the world suddenly needed a lot more oil. But raw oil is useless - it needs to be refined. Rockefeller didn't race to own the oil fields. He bought up the refineries. The picks and shovels of the oil boom.

He became the richest man in the world.

The pattern is always the same: a wave hits > everyone rushes toward the obvious thing > and someone makes a fortune supplying the tools, infrastructure, or services that make the whole wave possible.

This keeps happening. It always will.

We're watching it happen right now.

When ChatGPT launched in late 2022, the world lost its mind. Suddenly everyone wanted to build an AI company. Investors poured billions in. A new gold rush - same energy, different shovel.

And while everyone rushed to build the next AI app, one company quietly became the most valuable on the planet: Nvidia. ($4.5T - yes, trillion)

Not because they built an AI product. Because they make the chips - the GPUs - that every single AI model in the world needs to run. OpenAI needs them. Google needs them. Anthropic needs them. Every startup burning venture capital to train a model needs them.

Picks and shovels. Same story, different century.

But here's what I don't want you to take from this.

Not every good business is a picks and shovels play. Most aren't. There are people building great businesses in markets that have existed for fifty years - cleaning companies, bookkeeping, trades, logistics. No gold rush is required.

The real skill and what most people are never taught is knowing how to read a market before you enter it. How to find the pocket where demand exists, competition is weak, and you can get a foothold without spending big.

So how do you find it?

One way is to catch a trend. Right now you've got RTD health drinks everywhere, AI tools multiplying by the week, longevity and biohacking going mainstream. Trends create real demand, and real opportunity.

But trends have a shelf life. What's hot today gets crowded fast, peaks, and fades. If you build your whole business on a trend, you're signing up to run on a treadmill and always chasing the next wave.

So the real question isn't just "is there a problem here?"

It's whether the problem is worth betting on and do you have the right skills to solve it. The second part of that statement is the easiest to figure out and the hardest to accept.

Which brings us to the filter to use:

Five simple questions. In 2026, most ideas don't survive all five.

The ones that do? Maybe start there.

Ryan