building five things at once is a sequencing problem, not a focus problem
The standard startup advice is to focus on one thing. Do it well, ignore everything else, and do not split your attention. I am building five products at once. On the surface that looks like the exact mistake the advice warns against. I think the advice is answering the wrong question.
focus and sequencing are not the same thing
Building five products would be a focus problem if all five were in active design and development at the same time. That would split the team across five fronts, and none of them would get done. That is the scattered version everyone is right to warn against.
That is not how we run it. Every project moves through a development pipeline we built in house, and the pipeline breaks a project into phases that do not all overlap. We spread the five launches across about two years. No two products are in heavy design and development at the same time. When one product nears completion and moves into launch preparation, development on the next one begins.
Sequenced that way, five products is not five simultaneous bets competing for the same attention. It is one intense build at a time, with the others either ahead of it or behind it in the line.
where focus and adaptability meet
What makes a startup work, in my experience so far, is the ability to adapt and refine. You cannot refine something that does not exist yet, so the first job is always to build the thing and get it in front of people. Feedback is what you refine against, and there is no feedback until something ships.
That is where the sequencing earns its place. When the core of a product is being built, it is the engineering team's only focus. Full focus, one product, no context switching. Once a product is mostly feature complete, the work changes character. Refining, fixing bugs, and running QA are lighter than building the core from nothing. That lighter phase frees up bandwidth to move between projects as needed.
The answer is not focus or sequencing. It is focus during the build, sequencing across the portfolio. The two stop being in tension when you line the work up correctly.
where I got it wrong
The first version of this sequencing was too tight. Six months ago the milestones were packed so closely together that there was no buffer between phases and no margin for error. When one thing slipped, and something always slips, it pushed into the next phase and the whole line compressed.
We spread the milestones out to give each phase a cushion. The schedule is less aggressive now, and the sequencing actually holds, because it accounts for the reality that work does not move in a straight line. A plan with no room for error is not a plan. It is a hope.
there is no single right way
I do not think there is a one size fits all way to build and grow a startup. We all move through some version of the same process, concept to launch, but the path each founder takes is shaped by their own situation and how they choose to run their team. Mine happens to be a portfolio of products funded by agency work, sequenced so the team is never spread thin.
What matters more than the specific structure is that the work is work you actually care about. Passion is the thing that survives the phase where the schedule slips and the buffer gets tested. Build something you want to build, sequence it so you can give it real focus when it needs it, and stay honest about where your plan has no room to breathe.