Airbnb — From Three Air Mattresses to a Trillion-Dollar Idea
Brian Chesky and Joe Gebbia couldn't make rent, so when a design conference packed out the city's hotels they inflated three air mattresses and called it “AirBed & Breakfast.” Investors weren't sold — a now-infamous seven VCs passed on the deck. To stay alive, the founders sold novelty election cereal (“Obama O's” and “Cap'n McCain's”), clearing roughly $30k that kept the lights on until Y Combinator and then Sequoia backed them.
Nike — A Waffle Iron, a Car Boot, and a $35 Swoosh
Runner Phil Knight and his coach Bill Bowerman began as Blue Ribbon Sports, importing Japanese running shoes and selling them out of the trunk of Knight's car at track meets. Chasing more grip, Bowerman poured rubber into his wife's waffle iron and invented the waffle sole. They rebranded as Nike in 1971 and paid a design student, Carolyn Davidson, just $35 for the Swoosh.
SpaceX — Three Failures From Bankruptcy, One Flight From History
Elon Musk poured his PayPal fortune into building rockets — and nearly lost it all. The first three Falcon 1 launches (2006–2008) failed, and the company was almost out of cash. The fourth flight, in September 2008, reached orbit just as the money ran dry. SpaceX went on to be valued around $350 billion by 2024 and completed one of the largest IPOs in history in 2026.
Stripe — Seven Lines of Code Against Weeks of Bank Paperwork
Irish brothers Patrick and John Collison were exasperated that taking payments online meant weeks of merchant-account forms and bank approvals. Their answer was famously simple: paste in seven lines of code and start accepting money. Backed by Y Combinator, PayPal's founders and Sequoia, Stripe became the payment plumbing of the internet — reportedly valued around $159 billion in 2025.
Spanx — $5,000, a Pair of Cut-Up Pantyhose, and Pure Nerve
Sara Blakely was selling fax machines door-to-door when she cut the feet off her pantyhose for a smoother look under white trousers — and saw a product. With $5,000 in savings, no fashion or business training, she wrote her own patent application, cold-called hosiery mills until one said yes, and talked her way onto the shelves of Neiman Marcus. An Oprah endorsement sealed it. In 2021 she sold a majority stake to Blackstone at a $1.2 billion valuation.
Starbucks — The Milan Espresso Bar That Howard Schultz Couldn't Forget
Starbucks originally sold beans, not drinks. On a 1983 buying trip to Milan, Howard Schultz fell for Italy's espresso bars as community “third places” and wanted to bring the experience home. The owners refused, so he left, raised money for his own café chain (Il Giornale), and in 1987 bought Starbucks itself — then scaled the ritual into tens of thousands of stores worldwide.
Slack — A Video Game Flopped, but the Office Chat Survived
Stewart Butterfield set out to build an online game called Glitch. It failed — but the scrappy internal chat tool his team had built to coordinate did not. They pivoted to that tool, launched Slack in 2013, and it became the fastest-growing workplace app of its era. Salesforce acquired it for $27.7 billion in 2020. (Years earlier, another of Butterfield's failed games had birthed Flickr.)
Flipkart — One Book, a Flat, and India's Trust Problem
Two ex-Amazon engineers, Sachin and Binny Bansal, started selling books online from a Bangalore apartment — sourcing their very first order from a distributor across the city. India didn't trust online payments, so they pioneered Cash-on-Delivery and built their own logistics. The bet paid off: Walmart bought a 77% stake for $16 billion in 2018, valuing Flipkart at ~$20.8 billion.
Zerodha — The Broker That Raised Zero Funding and Won the Market
Trader Nithin Kamath and his brother Nikhil launched a discount brokerage with flat, transparent fees — and famously took no external venture funding. By dropping brokerage to zero on equity-delivery trades, they undercut entrenched incumbents and grew, profitably and founder-owned, into India's largest stockbroker serving over a crore of clients.
Zomato — Scanning Office Menus Into a Public Company
At consulting firm Bain & Co, Deepinder Goyal kept seeing colleagues crowd around paper takeaway menus. So he scanned and uploaded them to a site called Foodiebay. Renamed Zomato in 2010, it grew from restaurant discovery into one of India's biggest food-delivery platforms and went public in a landmark 2021 IPO.