First Round Capital’s PMF framework consists of four levels: nascent, developing, strong, extreme

1. Level one: Nascent product-market fit. Likely a pre-seed or seed-stage company. The goal in this stage is to find three to five customers with a problem worth solving, engage with them, deliver a solution, and validate that solution. [examples: Vanta,

... See more

TAM arbitrage: The core idea is that if you, as an investor or a founder, can do the work and understand a market better than anyone else, and appreciate that its actually bigger than anyone gives it credit for, then investors can pay higher prices, founders can be more aggressive with burn, and experiment more broadly.