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The Billion-Dollar Doorbell

The Billion-Dollar Doorbell

Chris Campbell

Posted May 18, 2026

Chris Campbell

I've had most of the Shark Tank cast on my podcast over the years. 

Jamie Siminoff, who just joined my latest podcast, is the only guest who beat all of them.

He stood on that stage and offered 10% of his company for $700,000. 

Mark Cuban told him it would never be an $80 or $90 million company. Jamie walked off with no deal. 

A few years later he sold Ring to Amazon for a billion dollars.

Here’s everything I learned… and why you NEED to listen to this one in the age of AI. 

Sharks Hate Doorbells

I couldn't let the Shark Tank math go during our conversation. 

He came in with a $3 million run rate, offering equity at two times sales. On Shark Tank that's almost a gift. And every single shark passed.

Why? The answer:

Nobody rejected Jamie. They rejected a doorbell.

Back then, the way investors sized a company was the TAM—total addressable market.

 They took the doorbell market, maybe $100 million a year, gave Jamie 10% of it, and decided he was a $10 million business. 

Forever. 

He told me people would laugh when he described what he was building. 

They'd say, "No, really, what are you doing?" One VC told him the doorbell was 1800s technology and would disappear entirely.

What surprised me most was Jamie's theory of why he succeeded anyway. 

The Power of Being Naive

He said being naive beats understanding the world. 

The world builds rules. Smart people learn all of them. And then those rules quietly talk them out of everything. 

Jamie put it perfectly—the more we know, the less dangerous we are. Calling yourself an “expert” is a slippery slope. 

Two things: 

  1. There’s no such thing as an expert. Experts are beginners with blind spots.

     

  2. If you see a problem, it's usually because nobody has fixed it yet. So go fix it.

I felt this one personally. Just the day before we recorded, I taught myself Claude Code for the first time.

 And the AI itself kept trying to talk me out of building my idea. It recommended other apps. It told me it wasn't a weekend project. 

Even the machine has absorbed the rules.

Takeaways I Loved 

Jamie didn’t hit it big on his first try. 

He learned fast that declining markets are quicksand. 

Jamie's voicemail-to-text company, Phone Tag, was a great product people loved. It didn't matter. Voicemail was dying, so every acquisition curve pointed down. A huge market that's shrinking is harder than a tiny market that's growing.

Also, VC money is a rocket, not a cushion. Once you raise it, Jamie said, you have two outcomes—you blow up or you reach orbit. 

There's no quiet little family business after that. He even wanted Ring's potential failure to leave a hole in the ground in Santa Monica so big it could never be filled.

And the contrarian takeaway I loved most: Everyone right now says software is dead, that AI makes SaaS worthless. Jamie said they’re wrong: if he were just starting out, he'd fly straight into that sun. 

Charging $1,000 a month for a mediocre seat of software—that's dead. Charging $5 a month is not. People will still pay something rather than build it themselves, because nobody does everything themselves. Get 10,000 people onto a $5 product and you have a real business.

The deepest takeaway was about people, not technology. 

Humans are irrational. They buy a leak detector after the flood. They don't put trackers on the dog until the dog is already gone. So you don't build for the rational customer who doesn't exist. 

You build for the broken, distracted, human one who does.

Jamie kept coming back to one line. He's not focused on doorbell cameras. He's focused on making neighborhoods safer. The product is just whatever solves the problem that day.

I left the conversation wanting to quit something and start something. Which, honestly, is the highest compliment I can give a guest.

Listen to the whole thing here. You’ll be glad you did.

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