Teams often mistake shipping for success, ignoring whether their product actually works.Some teams rush into ideas without validation, leading to costly mistakes.Deciders commit too soon to ideas, while Seekers test and validate before making big bets.Deciders end up paying a higher Success Tax by not quitting bad ideas early.Seekers know when to quit intelligently, saving time and resources in the long run.Teams need to shift from certainties to probabilities when making decisions.Deciders tend to fixate on one right idea, while Seekers focus on discovering the best idea through testing.Seekers use structured practices to expose assumptions, mitigate risks, and make informed decisions.Making the switch from Decider to Seeker involves moving from assumptions to evidence-based decision-making.Teams pay a high Success Tax when they ignore validation, leading to wasted time, effort, and resources.