Most advice about starting a company is about the plan. Very little of it is about finding out whether the plan is any good before you spend a year on it.
A first sprint is the smallest version of that idea.
What it is
One shared goal that a small team can finish in a fixed window. Real work, not a workshop. Something that exists at the end and did not exist at the start.
A working prototype. Ten real users. A landing page that tells you whether anybody wants the thing. The specific goal matters less than the fact that both sides can look at the result and agree on what it says.
Why it works
It replaces opinion with evidence.
Most co-founder mismatches are invisible until the pressure arrives. A sprint applies a small, controlled amount of pressure on purpose. You see how somebody estimates, how they communicate when they are behind, and whether they finish what they started.
It also gives the relationship something to be about. A lot of early partnerships fail because there is nothing concrete to work on yet, so every meeting becomes a discussion about vision. Vision gets easier once there is a prototype.
What it is not
It is not a job interview with extra steps. It is not free labour, and it is not a way to get somebody to build your idea while you watch.
Both sides put in work and both sides learn something. If one side is only evaluating and the other is only producing, the sprint is already broken.
How long
Short enough that nobody has to restructure their life. Long enough to produce something you would show a stranger. Two to four weeks, with a defined end and a decision attached to it.
The end matters. A sprint that trails off into another sprint stops being a test and becomes an unpaid internship.
The decision at the end
Three outcomes are all fine:
- Continue as co-founders.
- Continue in a paid arrangement.
- Stop, cleanly, and keep the thing you made.
A sprint that produces an honest no is a success. You can run one with someone here. You spent two weeks to avoid a much more expensive mistake. The only bad outcome is a maybe that drags on for six months.
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