What most often kills pre-seed startups?

Paul Graham · published Mar 2005

Startups that raise real money should avoid spending it, because running out of money is the proximate cause of nearly every startup failure.

Even though something deeper is usually wrong, a proximate cause of death is worth trying hard to avoid.

source How to Start a Startup

Paul Graham · published Oct 2006

Spending too much is now a rare cause of startup failure.

Founders have learned the lesson and it keeps getting cheaper to start a startup; none of the startups Y Combinator funded have overspent.

Scope: as of 2006

source The 18 Mistakes That Kill Startups

Paul Graham · published Oct 2008

The way to make a startup recession-proof is the same as what founders should do anyway: run it as cheaply as possible.

The immediate cause of death in a startup is always running out of money, so the cheaper the company is to operate, the harder it is to kill.

source Why to Start a Startup in a Bad Economy

Harry Stebbings · published Apr 10, 2024

The claim that companies die more often of indigestion than starvation is wrong — many companies simply die from running out of cash

28:10 20VC: Are the Best CEOs the Best Fundraisers, Are the Best Founders Insiders or Outsiders to a Problem, Why Ownership Should Not Be a Focus in VC & The Biggest Lessons Scaling MongoDB to $26BN Market Cap with Kevin Ryan, Founder @ AlleyCorp

Harry Stebbings · published Jul 8, 2024

The claim that startups die of indigestion rather than starvation is one of the biggest lies told to startups — in reality far more companies run out of money

Anyone grounded in the real world, outside the foie gras venture bubble, sees the proportion running out of money is vastly larger

Scope: death by indigestion does happen too

51:43 20VC: The Sequoia Investment Process | Investing Lessons from Doug Leone, Roelof Botha & Alfred Lin | Sequoia's Framework for Analysing Founders | The True Benefit of Having Sequoia on a Cap Table & Sequoia's Biggest Threat with Pat Grady

Paul Graham · published Mar 2005

In nearly every failed startup the real cause was that customers didn't want the product; 'ran out of funding' is only the immediate cause.

No startup with a massively popular product has failed; startups couldn't raise more funding because the product was a dog or never seemed likely to be done.

source How to Start a Startup

Paul Graham · published Oct 2006

Nearly all startup failure reduces to a single mistake: not making something users want.

If you make something users want you'll probably be fine whatever else you do; if you don't, you're dead whatever else you do.

source The 18 Mistakes That Kill Startups

Paul Graham · published Aug 2008

The hardest part of starting a startup is making something people want, and that failure is what kills most startups.

Most startups that die do so because they failed to make something people want.

source A Fundraising Survival Guide

Kevin Ryan · published Apr 10, 2024

Every company dies by running out of cash by definition; the real cause is lack of product-market fit, which is why investors refuse to fund them

Investors look at the numbers and the team and decline, so the cash stops

28:22 20VC: Are the Best CEOs the Best Fundraisers, Are the Best Founders Insiders or Outsiders to a Problem, Why Ownership Should Not Be a Focus in VC & The Biggest Lessons Scaling MongoDB to $26BN Market Cap with Kevin Ryan, Founder @ AlleyCorp

Adam Besvinick · published May 29, 2023

Founders should not rely on venture dollars to stay alive; they should extend runway, grow revenue faster than expenses, and cut burn enough to survive into 2025

The market is too unpredictable to advise founders on which benchmarks or milestones will get a round done, so they need to be able to reach 2025 with at least seven months of cash without raising

Scope: he has run this cash-planning exercise with at least half a dozen portfolio founders

38:21 20VC: Why Financial Models at Seed, $5M Seed Rounds & The Fear of Signalling Risk is all BS | Why Multi-Stage Firms Have Destroyed Seed & Who Wins and Who Loses in the Next 10 Years of Venture with Adam Besvinick, Founding Partner @ Looking Glass Capital

Josh Browder · published May 18, 2026

Founders who burn all their money and run out are lame — they should have cut burn

Running out of cash is a controllable failure, unlike a genuine black swan such as a patent suit or Apple crushing you

Scope: exempts black-swan failures like litigation or a platform killing you; he flags it as controversial

58:58 20VC: Turning Peter Thiel's $100K into $10M Angel Portfolio | The One Man Accelerator at The Four Seasons | Why VCs Can Be Sharks and What Founders Need to Know | Why Stocks and Cash are BS and You Should Invest in Land with Josh Browder

Paul Graham · published Oct 2005

Big companies are structurally incapable, which is why startups have room to exist; and what kills startups is not external threats but the internal failure to get enough done.

All the groups dealing with big companies found they do everything infinitely slowly; the summer's disasters were ordinary childhood diseases rather than dramatic threats.

source What I Did this Summer

Paul Graham · published Oct 2006

Most startups that could have succeeded fail because the founders don't try hard enough; the biggest mistake is not trying hard enough.

Most startups fail by not making something people want, and the reason they don't is insufficient effort; this accords with what he sees.

source The 18 Mistakes That Kill Startups

Paul Graham · published Aug 2007 · hedged

Although startups are officially killed by running out of money or a founder bailing, the underlying cause is usually demoralization.

You rarely hear of a startup working around the clock doing deals and shipping features that dies because it can't pay its bills.

Scope: usually

source How Not to Die

Paul Graham · published Feb 2009

Running out of money is only the immediate cause of startup death; the underlying cause is usually lack of focus from demoralized (though smart) founders.

Either the founders are stupid, which advice can't fix, or they're smart but got ground down by the moral weight of starting a startup.

source Startups in 13 Sentences

Des Traynor · published Nov 15, 2023

Many startups die because they never really launched — they forgot to tell the world what they stand for, what their product is and why anyone should use it

Looking back over his own portfolio, the companies that died had never laid out their vision, product and reasoning publicly; an alpha page is not a launch

71:45 Failure to ever truly launch communicate vision is a primary death cause

Josh Browder · published May 18, 2026

There are three reasons pre-seed companies fail: running out of money, running out of hope, and co-founder disputes

Money maps to pitching ability, hope maps to feeling daily progress rather than chasing vanity signals, and disputes map to team construction

14:16 Money hope and cofounder disputes

Paul Graham · published Oct 2006

The most common startup failure is not the spectacular flameout but the side project that never does much and is gradually abandoned.

Spectacular flameouts are the elite of failures; the common case is never heard about because it was a project run alongside day jobs.

source The common failure mode is a side project quietly abandoned not a spectacular flameout

Paul Graham · published Aug 2015

When startups die from running out of initial funding, the underlying cause is usually slow growth or excessive spending rather than insufficient effort to extract money from existing customers.

Concedes that higher revenue per customer eases the path to profitability, but identifies the real cause of death differently.

source Slow growth or overspending not under monetization causes cash death

Paul Graham · published Nov 2005

Running out of money is especially devastating for startups because they are built for growth rather than for surviving adversity.

Startups are designed for growth, not adversity, so shortage of money hits them unusually hard.

source Startups are built for growth not adversity making cash shortage especially devastating