The 18 Mistakes That Kill Startups

paulgraham.com

Startups

24 min read → 70 sec

A 2006 essay on 18 recurring startup mistakes, from weak cofounder choices and bad hiring to poor fundraising, slow launches, and neglecting users. The central claim is that most failure comes from not making something people want.

Startup failure funnels through one cause: not making something users want

The 18 mistakes are ways founders stop themselves from doing that

Single founders are at a major disadvantage

Startups are too hard to do alone

Half-hearted effort kills many startups

Most founders do not try hard enough full-time

Startups do better in hubs like Silicon Valley, Boston, Seattle, Austin, Denver, and New York

Choosing a small obscure niche to avoid competition usually means avoiding good ideas

Solve a specific problem you understand, not a derivative or vague idea

Derivative ideas are weaker than solving an unsolved problem you have felt yourself

Plans should change when evidence improves, but repeated restarts from scratch are a bad sign

Non-programmer founders often kill startups by hiring weak programmers they cannot accurately evaluate

Choosing the wrong platform can destroy a startup, as Windows and Java applets did for many

Launching slowly blocks learning. Founders only fully understand ideas after users react to them

Launching too early can damage reputation

Release the smallest useful core that can expand

If founders are not the target user, they need specific users and measured responses, not guesses

Funding should buy enough runway to reach the next visible step, often 50% to 100% more than expected

Hiring too many people burns cash and slows progress

Early hires should write code or get users

Large VC rounds add pressure, slow fundraising, reduce flexibility, and make pivots harder

Early startups should prioritize product over business model

Making something people want is harder than monetizing it

At least one hacker has to do sales, deals, or user acquisition. Ideas alone do not get bought