The Fastest Way to Know If You Have a Business

The 10 Unit Test

AI is turning a lot of careers into a trap door.

Not because you’re not talented — but because digital work is getting commoditized fast.
When the output is a file, an algorithm can often compete.
When the output is a physical product, the game changes.

A physical product has friction: sourcing, process, packaging, shipping, consistency. 

That friction scares people… and that’s why it creates opportunity.

The goal of this post is simple:

In the next 7 days, build and sell 10 units of something.

Not 1. Not 1,000. Ten.

That’s the Proof-of-Life test — your first move toward market control.

Why “10 units” beats “big plans”

Most people don’t fail because they can’t build.
They fail because they try to “start a business” in their head.

They research names, logos, LLCs, websites, trademarks… 

and never ship anything.

The 10-Unit Test forces you into reality:

• Can you actually make it twice the same way?

• Will anyone pay money for it?

• Does your pricing survive the real cost of materials + shipping + packaging?
  

• What do customers complain about?

• What do they love enough to tell a friend?

If you can sell 10, you don’t have a hobby. You have a signal.

Step 1: Pick a product you can build this weekend

You’re not looking for your “life’s work.”

You’re looking for your first SKU — a “hero product” that proves demand and funds version 2.

Good starter products fall into two categories:

A) Consumables (repeat buyers)

Examples:

• seasoning blends

• beard oil

• BBQ sauce

• cleaning concentrates

• soap

• candles

• specialty coffee syrups

Consumables win because they create a relationship. If it’s good, they come back.

B) Simple gadgets / accessories (painkillers)

Examples:

• a small tool that makes a task easier

• a better mount/clip/holder

• a specialty kit for a niche hobby

• an improved version of something flimsy/overpriced

Rule: pick something you can build 10 times without needing a factory.

Step 2: Build a repeatable process (not a one-off)

If you make one perfect unit, congratulations — you made a prototype.

If you can make the same unit 10 times, you’re building a business.

Write down:

• exact ingredients/parts

• exact measurements

• exact steps

• exact “definition of done”

If you can’t repeat it, you can’t scale it.

Step 3: Sell where buyers already are (don’t build a website yet)

Your first job is not branding.

Your first job is to stop guessing.

Use a marketplace that already has traffic:

• eBay (shockingly good for niche tools and replacement parts)

• Etsy (handmade, giftable, niche lifestyle)

• Facebook Marketplace (local, fast, imperfect)

• niche forums / hobby groups (often the highest intent)
  
  
  

Post it. Take money. Ship a thing. That’s the whole point.

Step 4: Price it like an adult (and learn the real numbers)

Here’s the rookie mistake:

They price based on what feels fair.

You must price based on what’s true.

Track:

• materials/parts

• packaging

• labor time (even if it’s “after work”)

• shipping

• marketplace fees

Then do the most important calculation you’ll ever do:

Autonomy Margin = Sale Price − (COGS + Packaging + Shipping + Fees)

That number tells you whether this becomes:

• a real income stream, or

• a busy way to stay broke

Step 5: Run the “Handshake Audit” (authority vs hobbyist)

If your 10 units sell slowly, it might not be the product.

It might be the handshake.

When a stranger sees your product, they make a decision instantly:

• messy label / crooked placement → “hobby project”

• clean, consistent presentation → “authority”

Do a quick audit. Put your item next to a retail competitor. Ask yourself:

• does mine look like it belongs on the same shelf?

• is the label straight and repeatable?

• would a customer feel confident gifting it?

• is the printing crisp and readable?

• does it look like I’m going to be around in 6 months?

This is where small-batch makers level up fast: consistency.

What success looks like If you sell out quickly

You don’t need motivation — you need throughput.

Next steps:

• make 20–50 units

• improve the process

• improve the handshake (packaging consistency)

• start collecting customer info (email/SMS)

If you don’t sell

That’s still a win. Because you learned the truth cheap.

Fix one variable and rerun:

• different offer angle

• different listing photos

• different marketplace

• different price

• different niche

If people ask questions but don’t buy

That’s messaging.

Your copy is unclear, or your product positioning is weak.

The point (and the promise)

You don’t need permission to have a career.

You need a product that proves itself in the real world.

The AI age is going to keep changing the rules for digital workers. But physical products still obey physical reality — and that’s where the leverage is.

Build 10 units. Sell them. Learn fast. Upgrade the handshake. Repeat.

That’s how you stop being a passenger.

That’s how you become an owner.

How to Make Something and Sell It: A Small Business Series

Part 1: The 10-Unit Test

Part 2: From Skill to SKU

Part 3: Packaging Is Authority

Part 4: Micro-Factory Budget

Part 5: The Sourcing Puzzle

Part 6: The Manufacturing Puzzle

Part 7: Calculate Your Autonomy

Conclusion: The Micro-Factory Path