thesis
going alone is faster in the short run, but working with people is what produces durable, well-tested decisions. the hard part is admitting that the cost of collaboration is the price of better outcomes, not friction to be removed.
context
i have been on both ends of this. solo sprints where i make every call myself and ship fast. heavily collaborative weeks where every idea passes through three people before it leaves my hands. both modes have a place, but the second one is what most people undervalue, and that is the side i want to push on.
a lot of the value i get from teammates is invisible if you only look at the final artifact. the meeting that did not happen, the bug that did not ship, the email that did not get sent in anger, the timeline that turned out to be honest. those non-events are the real return on collaboration, and they almost never show up in a status update.
working together
working with colleagues changes the shape of your output. the project might take a little longer, but the result is more robust, easier to operate, and far less stressful to own. each of the items below is a check that i do not have when i am alone, and each one catches something the next one would not.
- identifying blind spots: colleagues see the assumptions you stopped checking, the corners of the problem you skipped, and the patterns you keep repeating without noticing
- finding holes in ideas: a fresh set of eyes pressure-tests the design before customers do, surfacing failure modes while they are still cheap to fix
- help with communication: having someone read your draft, sit through your demo, or rehearse the conversation with you turns rough thinking into something a stranger can actually follow
- regulating emotions and reactions: a steady colleague absorbs some of the heat in the moment, slows your knee-jerk replies, and helps you respond to a hard situation instead of react to it
- timeline planning: two minds estimate better than one, because each person brings their own catalog of past slippage, hidden dependencies, and "i forgot we have to do that too" risks
- fielding questions from other colleagues and users: a small team can absorb a steady stream of questions in parallel, while a single owner ends up either ignoring some or context-switching all day
- reducing stress: shared ownership means you are not the only person watching the alert, the deadline, or the customer message late at night, and even just knowing someone else is in the loop lowers the load
- providing backup: vacation, sick days, family emergencies, and surprise outages all hurt less when more than one person can keep things moving
the throughline across all of these is the same. each colleague becomes another lens, another estimator, another shoulder, and another set of hands. the cost is coordination time. the return is that the work survives contact with reality. this is also why i keep coming back to the idea that knowledge has to flow inside a team, which i wrote about more directly in sharing is caring. collaboration only works when people are willing to share what they know, openly and without keeping score.
what these checks actually catch
it is worth saying out loud what the checks above produce, because the upside can feel abstract until you list it. blind-spot reviews catch missing requirements before code is written. design pressure-tests catch failures before launch. communication rehearsals catch misunderstandings before they happen. emotional regulation catches messages you would have regretted in the morning. shared timeline planning catches the date that was never realistic in the first place. shared on-call catches the alert that would have woken you up alone. shared knowledge catches the bus factor that would have ground the team to a halt the moment one person took a week off.
put simply, the value of working together is that it converts a long list of "what could go wrong" into a much shorter list of "what actually went wrong", and the difference is paid for by the people sitting around the table with you.
working alone
working alone has real advantages, and pretending otherwise just makes the trade-off invisible. there are days where solo work is exactly the right tool, and i do not want to lose that entirely. the upsides are real:
- speed of execution: you can move from idea to keystroke without waiting on anyone's calendar
- speed of decision: small choices, the ones that would normally chew up a meeting, get resolved in seconds because the only stakeholder is you
- faster time to release: with no review queue, no design discussion, and no hand-off, you can ship in hours instead of days
those are real benefits, and i would not want a workflow that lost them entirely. quick prototypes, urgent fires, and small exploratory spikes all reward solo speed. the trouble is what you are quietly trading for that speed, because the things you give up are exactly the items in the previous section.
every solo sprint is also a sprint without a pressure test, without an emotional buffer, without a second estimator, and without a backup. the output may go out fast, but it goes out untested by anyone other than you, and the cost shows up later. it shows up as the bug a teammate would have spotted, the customer signal you misread, the timeline that was confidently wrong, the email that should never have been sent, or the small fire that grew into a bigger one because nobody else was watching.
solo work also hides one structural risk that is easy to ignore in the moment. when you are the only person who has touched the work, you are also the only person who knows how it functions. that feels like job security in the short run, but it is actually a single point of failure for the team. the next person who has to maintain, change, or escalate that work pays the cost, and the work itself becomes less changeable over time. the savings on review on day one quietly turn into interest on every change after.
where solo work still earns its place
i do not want to overcorrect. solo work is the right call when the task is small, clearly bounded, reversible, low-stakes for other people, or strictly time-critical. exploratory spikes, urgent on-call fixes that have to land in minutes, and personal experiments are all good candidates. the test i use is simple. if i ship this alone and it turns out wrong, who pays the cost? if the answer is mostly me, solo is fine. if the answer is the team, the customer, or some future maintainer, i want a second pair of eyes on it before it goes out.
weighing the trade-off
put the two lists next to each other and the picture is honest. solo work optimizes for speed of one person. collaboration optimizes for quality, durability, and the well-being of the team. neither is universally correct, and i am not saying that either is the default.
most people i have worked with default to whichever mode their personality prefers. fast movers default to solo and underweight the cost of being wrong. careful planners default to collaboration and underweight the cost of slow shipping. the better habit, in both cases, is to read the work first and choose deliberately. solo when the cost of being wrong is small. collaborative when the cost of being wrong is borne by other people. but this also, again, points out the value of collaboration because each personality type compliments each other, yielding the best overall result in the long-term.
this is one of those calls that benefits from being made consciously, which is the same kind of branch-aware thinking i wrote about in logic. naming the conditions up front, "is this reversible", "who pays if it is wrong", "do i have a clean place to bring it back if needed", makes the choice between solo and collaborative much less personality-driven and much more situational.
tension or counterpoint
it is fair to push back on this. bad collaboration is worse than careful solo work. meetings without decisions, design reviews that turn into ego contests, committees that flatten everyone's good ideas into the lowest common denominator, and "let us all weigh in" as a way of avoiding ownership are real failures, and pretending otherwise is naive. the argument for working together only holds when the collaboration itself is healthy, with clear ownership, real candor, and a shared incentive to ship.
there is also a real risk that "let us collaborate" becomes a way to spread responsibility for choices people do not want to defend. that is a different problem than the one this post is making the case for, and it is worth naming. healthy collaboration sharpens decisions. unhealthy collaboration dissolves them, and the right response to unhealthy collaboration is to fix the team norms, not to retreat into solo work and call it focus. the goal is not "do everything together" or "do everything alone". the goal is to use the right mode for the right work, and to invest in the team norms that make collaboration actually pay back when it is the right call.
closing
if i had to pick one rule, it is this. build the kind of working relationships where it costs you less to be questioned than to be wrong. that is the version of teamwork that actually pays back, and it is the version that lets you go solo with confidence when the moment calls for it, because you know you are not gambling alone every time you do.
solo speed is still on the menu, and i still reach for it when the task is small enough that the cost of being wrong sits squarely with me. but the durable wins, the ones i look back on a year later and feel good about, almost always have someone else's fingerprints on them. that is not a coincidence. that is the trade working as intended.