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How I learned marketing (and made $2M from it)

I used to hate marketing.
As a developer, it felt cringe, scammy, or just… unnecessary. So I avoided it. I built stuff quietly. And I made $0 online for two years.
Today, I’ve made over $2 million. Marketing changed everything.
But not through books or courses. I learned by doing something most people skip:
I watched ads.
Solopreneur update
I’ve tried a bunch of marketing experiments for DataFast.
Most failed. But I found 2 that are now driving +20% MoM growth. I’ll break them down in an upcoming issue.

AI made building easy, marketing is the hard part
Let’s be real. Launching a product in 2021 was hard because you had to code everything.
Today, you can ship with AI and a boilerplate in 24 hours.
So now the hard part is… getting people to care. And if you’re building solo, marketing is not optional. It’s survival.
My favorite hack: YouTube Ads
Most people use YouTube to procrastinate. I do too.
But I don’t use YouTube Premium. Because when I get distracted by an ad, I often watch it instead of the video I came for. I close YouTube and go tweak my landing page.
Why? Those ads are tiny masterpieces in marketing.
And YouTube only shows the top-performing ones — the ones making real money. So instead of skipping them, I study them.
I copied a French Instagram ad and made $10K+
One night, my friend Nico sent me a French Instagram ad for a Chinese restaurant.
It was simple and fun. So I rewrote the exact ad and just plugged my course CodeFast.
It took me 30 minutes. Cost $0.
That ad went on to generate over $10,000, with a 4:1 return on ad spend.

Watch more ads. Steal the structure. Make it yours.
How to templatize an ad (without overthinking it)
Most great ads follow a simple 4-step rhythm:
Hook: Say something unexpected in the first 2 seconds to stop the scroll
Problem: Call out the pain they feel right now, be specific.
Solution: Introduce your product as a fix, keep it simple
Proof: Show it works. Use testimonials, a demo, or hard numbers.
CTA: Give one clear next step.
It’s not just a blueprint for ads… It works for everything:
Landing pages
Tweets
Cold emails
Different tools. Same structure.
Your move this week:
Watch 10 ads — don’t skip, note what made you stop scrolling.
Pick your favorite — the simplest one.
Break it down — hook, problem, solution, proof, CTA.
Remix it — plug in your product and rewrite it. Could be a tweet, a landing page, or a video script.
Don’t skip ads.
They’re trying to sell you something, and that’s exactly what you need to learn.
Until next Saturday, keep shipping.
— Marc Lou
3 startups I built to help you:
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