For early-stage growth companies, an investment memo must prove a dual thesis: not only will the initial capital generate a fair return, but the company's progress will make it *more* attractive to buy additional shares at higher prices as it de-risks. If you wouldn't dollar-cost-average up, you shouldn't make the initial investment.

Some companies execute a 3-5 year plan and then revert to average returns. Others 'win by winning'—their success creates new opportunities and network effects, turning them into decade-long compounders that investors often sell too early.

Contrary to the belief that a low P-E ratio is always better, a high ratio can signify a 'growth stock.' This indicates investors are willing to pay more because the company is reinvesting its earnings into future growth, betting on higher profitability over time.

The modern market is driven by short-term incentives, with hedge funds and pod shops trading based on quarterly estimates. This creates volatility and mispricing. An investor who can withstand short-term underperformance and maintain a multi-year view can exploit these structural inefficiencies.

Financial models struggle to project sustained high growth rates (>30% YoY). Analysts naturally revert to the mean, causing them to undervalue companies that defy this and maintain high growth for years, creating an opportunity for investors who spot this persistence.

Investors instinctively value the distant future cash flows of elite compounding businesses higher than traditional financial models suggest. This phenomenon, known as hyperbolic discounting, helps explain why these companies consistently command premium multiples, as the market behaves more aligned with this model than standard exponential discounting.

Instead of taking profit and paying taxes, a business can reinvest that capital into a growth driver, like hiring. This investment reduces taxable income while dramatically increasing the company's profit potential, leading to a much larger, tax-efficient gain in enterprise value.

For indefinite-hold companies, executive wealth is created through a stream of cash, not a future sale. Management earns equity over time in unlevered businesses, allowing them to receive meaningful cash distributions. This aligns incentives for long-term, sustainable profit growth rather than a quick flip.

The effort to consistently make small, correct short-term trades is immense and error-prone. A better strategy is focusing on finding a few exceptional businesses that compound value at high rates for years, effectively doing the hard work on your behalf.