So I started a little secret experiment this past week...

…to build a micro biz with $0.

In exactly 3 days, from conception to launch, this is what I made on Gumroad selling a simple notion template.

Yep. $0 investment, just a laptop, Notion, and a little help from AI. Can be easily done over a weekend.

I’m no tech expert. But I do know how to spot digital products people actually need, and make something that saves them hours of work. That’s all it takes.

Here’s exactly how I did it — step by step — so you can do it too.

But FIRST

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Day 0: Find "the Idea"

I infiltrated Etsy shop communities, looked at what small online shop owners struggle with:

• Keeping track of inventory
• Managing suppliers
• Tracking sales

Still using pen & paper to keep track? I can fix that.

I saw that spreadsheets/templates were selling for $4–$40. People are willing to pay more for a solution that saves them hours.

So I decided to create an automated Notion inventory template: simple, clear, easy to use — no confusing charts, just a tool that works.

Day 1: Build It With AI

I used Claude to generate the full structure. Here’s a copy-paste prompt I used to get things started:

AI gave me:

• Tables, properties, sample data
• Step-by-step instructions I could paste into Notion

It literally built the template for me — I just customized it a bit after.

Day 2: Make It Sellable

• Added screenshots and instructions
• Created a demo dashboard for landing page
• Named it clearly: “Notion Inventory Tracker for Etsy Shops”

People aren’t buying just a template — they’re buying time and clarity.

Day 3: Find Your First Buyers

I listed it on Gumroad and shared in etsy seller communities.

• Offered an early user special to collect email
• Offered the full template at a reasonable price

Pro tip: A small offering → email list → paid template = repeatable sales

• Sent a discount code to early buyers who joined my email list
• Collected testimonials → used them to build credibility
• Made future sales easier because people saw it actually worked.

Takeaways:

1. You don’t need to be a tech genius — AI + Notion can do the heavy lifting
2. Focus on solving a real problem — simplicity = value
3. Start with one niche → grow your email list → upsell
4. Proof sells: early buyers + reviews = repeatable revenue
5. Action > indecision. You won’t know until you try

Copy Lena’s homework

I’ll be sharing a FREE detailed guide showing exactly:

• The AI prompt I used
• What my Notion template looks like
• Exact where to post and what to say to get your first customers
• How to offer discounts for early email sign-ups
• How to get reviews fast

Keep an eye on my IG for $0 micro startup series.

You don’t need a $10k budget. You just need a Notion page, AI, and hustle. ;)

Like what you read? Share with friends!

PS. This summer, we are going to tackle pressing global issues and drive innovation in regions (such as your own community) where it is needed the most. Want in? We run a summer cohort for ambitious youth (high school and undergrads) to work directly with world-class founders while learning from Silicon Valley leaders. OCE Summer Cohort You can also explore purposeful opportunities through our Impact Internship Opportunities Database. Get Curious.

Lena

​https://www.openclassroomexperience.com/​