- Shared economies of scale
- Nick Sleep's investing concept: when a company passes the cost savings from scale onto customers rather than capturing them as profit, creating a self-reinforcing cycle of loyalty and market dominance.
- Consumer surplus
- The gap between what a customer would be willing to pay and what they actually pay; Nick Sleep tracked this as an invisible metric of long-term competitive advantage.
- Credence good
- A product or service whose quality a buyer cannot fully evaluate even after consuming it — medical care and collectibles are examples — creating demand for trusted third-party verification.
- Attestation
- A formal third-party certification that a claim is true; in business, firms like Deloitte provide attestation on financial statements so buyers and sellers can transact with confidence.
- Moat
- A durable competitive advantage that protects a business from rivals — Warren Buffett's term for brand power, pricing power, or switching costs so high that customers stay regardless of alternatives.
- Leveraged buyout (LBO)
- A method of acquiring a company using mostly borrowed money, using the target company's assets as collateral; the strategy that drove private equity growth in the 1980s.
- QOE (Quality of Earnings)
- A third-party financial analysis used in M&A to verify that a company's reported earnings are accurate and sustainable before a deal closes.
- Honification
- Shaan Puri's coined term for the strategy of starting with a low-quality product, keeping costs flat, and incrementally improving over time — inspired by Honda's and Business Insider's growth playbooks.
- Kaizen
- Japanese business philosophy meaning 'continuous improvement'; often cited by Western executives to describe iterative quality gains, though Shaan Puri contrasted it humorously with the more honest 'honification'.
- Mukbang
- A Korean internet trend of watching someone eat large quantities of food on camera; viewers derive vicarious satisfaction from the sounds and visuals of eating.
- Rolodex
- A physical rotating card file used to store contact information; used here figuratively to describe a powerful network of professional connections.
- P&L
- Profit and Loss statement — a financial report summarising a company's revenues, costs, and expenses over a period; also called an income statement.
- Wabi-sabi
- A Japanese aesthetic philosophy that finds beauty in imperfection and impermanence; referenced here as an example of elevated Eastern concepts borrowed by Western business culture.
- Buckleback
- A style of early Levi's jeans featuring a cinch buckle on the back waistband, produced in the 1800s; among the most prized and valuable pieces for vintage denim collectors.
- Honeycomb (denim)
- The fading pattern that forms behind the knee on raw denim jeans after extended wear; a key quality indicator prized by vintage denim enthusiasts.
- Chain stitch hem
- A hem sewn with a special looping stitch using vintage Union Special machines; produces a distinctive roping fade and is highly sought after in vintage denim collecting.
- PSA 10
- The highest grade awarded by PSA (Professional Sports Authenticator) to a collectible card in gem mint condition; a PSA 10 grade dramatically increases a card's market value.
- Amortize
- To spread the cost of an asset over time or across a large base; used here to explain how fixed infrastructure costs become cheaper per unit as a business scales.