The Boring Company

Airbnb

The Boring Company

The Boring Company's business model is infrastructure contracting — they bid on tunnel construction projects and get paid by the clients (usually government agencies or private venues). Revenue comes from construction contracts for building the tunnels and from operating the transit systems within them.

The core economic thesis is that tunnel boring is absurdly expensive — typically $100 million to $1 billion per mile — because the technology hasn't meaningfully improved in decades. The Boring Company claims they can reduce costs by 10x through smaller tunnel diameters, continuous boring (no stopping to install tunnel walls), electric machines instead of diesel, and autonomous operation.

The Las Vegas Convention Center Loop was built for $47 million — about 1.3 miles of twin tunnels. That's roughly $18 million per lane-mile, which is genuinely cheap compared to traditional subway construction.

Whether that cost advantage holds at scale on larger, more complex projects remains unproven.

Airbnb

Airbnb is a two-sided marketplace. Hosts list their homes, apartments, treehouses, or whatever else they've got.

Guests book and pay through the platform. Airbnb takes a cut from both sides — roughly 3% from hosts and up to 14% from guests as a service fee.

That's it. They don't own a single property.

They just built the world's largest hotel chain without owning a single bed.

The Boring Company

The Boring Company started, quite literally, with a tweet. In December 2016, Elon Musk was stuck in LA traffic and tweeted "Traffic is driving me nuts.

Am going to build a tunnel boring machine and just start digging." Most people assumed he was joking. He wasn't.

Within weeks, Musk had a team digging a test trench in the SpaceX parking lot in Hawthorne, California. The initial concept was ambitious: a network of underground tunnels where cars would be loaded onto electric sleds and whisked through tubes at 150 mph.

Think the Hyperloop but underground and for individual vehicles.

The company was formally incorporated in late 2016 as a subsidiary of SpaceX. The name was classic Musk — a pun on both tunnel boring and the company's supposed boringness compared to rockets and electric cars.

Early funding came from Musk personally and from a surprisingly successful merchandise operation: The Boring Company sold 20,000 branded flamethrowers (rebranded as "Not-a-Flamethrower" for legal reasons) for $500 each in 2018, generating $10 million in revenue before they built a single tunnel.

Airbnb

In 2007, Brian Chesky and Joe Gebbia were two Rhode Island School of Design grads living in San Francisco and struggling to make rent. A big design conference was coming to town and every hotel was booked solid.

They bought three air mattresses, put up a simple website called AirBed & Breakfast, and charged $80 a night including a homemade breakfast. Three strangers actually showed up.

That was it — the entire origin story of a $75 billion company is three air mattresses and desperation.

They recruited Nathan Blecharczyk, a Harvard-trained engineer Joe knew, to build the real website. But nobody wanted to fund them.

They applied to 15 investors and got rejected by every single one. To keep the company alive during the 2008 election, they designed limited-edition cereal boxes — Obama O's and Cap'n McCain's — and hand-assembled 500 of each.

They sold the Obama O's for $40 a box and made $30,000. That cereal money literally kept Airbnb from dying.

Paul Graham at Y Combinator finally let them into the Winter 2009 batch — reportedly because the cereal stunt proved they were "cockroaches" who would never die. YC invested $20,000.

Within a few months, Sequoia Capital led a $600,000 seed round. The rest is history.

The Boring Company

The strategy is to prove the concept in Las Vegas and then replicate it in cities worldwide. The Vegas Loop is the showcase project — a real, operating system that city officials and transportation planners can visit and experience.

Las Vegas was a strategic choice. The Las Vegas Convention and Visitors Authority was a willing early customer.

Nevada has friendlier regulations than most states. The flat desert geology is easier to bore through than urban bedrock.

And tourism means high passenger volume to demonstrate utilization.

The plan is to expand from convention center shuttle to city-wide transit system. Clark County approved the full 68-mile Vegas Loop expansion.

If it works — moving tens of thousands of passengers daily, reliably, at low cost — it becomes the proof point for selling Loop systems to other cities.

Airbnb

The early growth was pure hustle. Chesky and Gebbia flew to New York — their biggest market — and went door to door visiting hosts.

They noticed the listings with bad photos got no bookings. So they offered free professional photography to every host.

Bookings exploded. That single move — better photos — was probably worth more than any ad campaign they ever ran.

They also pulled one of the most legendary growth hacks in startup history. They reverse-engineered Craigslist's posting system so that Airbnb hosts could cross-post their listings to Craigslist with one click.

Craigslist had millions of people looking for rentals. Airbnb had none.

The hack funneled Craigslist's traffic straight into Airbnb. It was borderline shady and absolutely brilliant.

Word of mouth did the rest. Every guest who had a great stay told their friends.

Every host who made easy money told their neighbors. The product sold itself because both sides benefited immediately.

By 2015, Airbnb had more listings than the top five hotel chains combined.

The Boring Company

The core criticism is that The Boring Company has essentially built a taxi tunnel, not a transit system. Traditional subways move thousands of people per hour in high-capacity trains.

The Vegas Loop moves people in individual Teslas — one car at a time. Critics argue this is fundamentally less efficient and will never match the throughput of real mass transit.

Scaling beyond Las Vegas is unproven. Urban tunneling in cities with existing underground infrastructure — sewers, subway lines, utility conduits, building foundations — is exponentially harder than boring through Nevada desert.

The cost advantages may not hold in complex geology.

The autonomous driving requirement is another dependency. The long-term vision requires fully autonomous vehicles navigating tunnels at high speed.

Currently, the Vegas Loop uses human drivers in Teslas going 35 mph. Removing human drivers and increasing speed are both necessary for the economics to work at scale, and both depend on Tesla's Full Self-Driving technology actually becoming fully autonomous.

Airbnb

Regulation. Full stop.

Cities around the world have gone to war with Airbnb. New York, Barcelona, Amsterdam, Paris, Berlin — all have passed laws restricting or outright banning short-term rentals.

The hotel lobby has spent hundreds of millions fighting Airbnb at every level of government. In New York City, a 2023 law essentially banned most Airbnb listings overnight.

Then COVID hit. In March 2020, Airbnb's business dropped 80% in eight weeks.

Chesky had to lay off 1,900 employees — 25% of the company — in a single memo that became famous for how honest it was. He gave everyone 14 weeks of severance and a year of health insurance.

The company burned through its IPO plans and took on $2 billion in emergency debt at brutal interest rates.

But here's the thing — COVID also saved them. People stopped wanting hotel lobbies and started wanting isolated cabins and rural homes.

Airbnb's bookings came roaring back by summer 2020, and the rural/unique stays trend became permanent. They IPO'd in December 2020 at a valuation that stunned everyone.

The Boring Company

Prufrock — the next-generation tunnel boring machine designed to bore at over 1 mile per week, compared to the industry standard of roughly 300 feet per week. The name comes from T.S.

Eliot's poem. Vegas Loop — the operational system under Las Vegas with 93 stations planned across the Strip, downtown, and the airport.

When complete, it would be a 68-mile network. Loop Transit System — the overall concept of small-diameter tunnels with autonomous electric vehicles providing point-to-point underground transportation.

Not-a-Flamethrower — technically a roofing torch in a Nerf gun shell. Sold 20,000 units at $500 each.

Not really a product anymore but too iconic to leave out.

Airbnb

Airbnb Stays is the core product — book someone's home instead of a hotel. Airbnb Experiences lets you book local activities run by hosts, like cooking classes in Rome or surf lessons in Bali.

Airbnb Plus is a collection of verified, high-quality homes that have been inspected in person. Airbnb Luxe is the ultra-premium tier — think private islands, castles, and villas with dedicated concierge service.

Categories (launched 2022) lets you browse by vibe — treehouses, lakefront, tiny homes, mansions — instead of just searching by location.

The Boring Company

Elon Musk funded the company initially from personal wealth. Sequoia Capital, Valor Equity Partners, Craft Ventures, DFJ Growth, and 8VC participated in the $675 million Series C in 2022 that valued the company at $5.7 billion.

Vy Capital and Brookfield also invested. The investor base is heavily Musk-aligned — many of the same funds that back SpaceX and Tesla.

Airbnb

Y Combinator, Sequoia Capital, Andreessen Horowitz, Greylock Partners, Founders Fund, General Atlantic, Jeff Bezos (personal investment)