Author: Ethan Cole

Most startup failures don’t begin with a bad idea. They begin with a decision that looked harmless at the time. In early-stage entrepreneurship, mistakes rarely announce themselves loudly. They show up quietly—inside assumptions, rushed decisions, and misplaced confidence in “figuring it out later.” After observing hundreds of early ventures, a pattern emerges. The same types of mistakes repeat across industries, markets, and business models. Not because founders lack intelligence, but because the early phase of building something new creates a very specific kind of tunnel vision. Below are some of those patterns—written less like rules, and more like what experienced…