The rebuild is part of the work
Why rebuilding is often part of the work once the first version has revealed what the product actually needs to become.
The first version of a project is often not wrong. It is the thing that teaches you what the real version needs to become.
The first build is a conversation
I used to think of rebuilding as a sign that the first attempt had failed. I do not see it that way anymore. The first version of a project is often the only way to discover the shape of the problem properly.
You can plan, sketch, map data, and choose a stack, but a product behaves differently once it is real enough to use. You notice which parts are too slow. You find the confusing names. You see which assumptions were tidy in your head and awkward on screen.
That learning is not waste. It is the work.
Personal tools make this obvious
A lot of my favourite projects began as private workarounds. A Home Assistant flow. A small automation. A visual experiment. Something useful enough for me to keep using, but rough enough that I could see the joins.
That private stage is valuable because it lets the product be honest before it has to be polished. You are not guessing whether the thing is useful. You are living with it. The rough edges are not theoretical; they interrupt you.
Automation
automation:
trigger:
- platform: sun
offset: sunset
action:
service: light
.turn_on
+ this indent
20 min to find.
A rebuild is easier to justify when the first version has been used hard enough to tell the truth.
Rebuilding changes the questions
The first build asks, “Can this work?” The rebuild asks better questions. What should be formalised? What should be removed? What state needs to be visible? Which parts need to become reliable because other people may depend on them?
That is a different kind of design work. It is less about novelty and more about judgement. You are not trying to preserve every clever decision from the first version. You are trying to keep the learning and remove the mess that no longer needs to exist.
The stack should follow the understanding
Early versions can be held together by whatever gets the idea moving. That is fine. But once the behaviour is clearer, the technology should start serving the product rather than the experiment.
Sometimes that means changing tools. Sometimes it means keeping the stack but making the data model more explicit. Sometimes it means turning a private automation into a public web app because the use case has outgrown the original container.
The trick is not to rebuild because rebuilding feels clean. It is to rebuild when the new shape is genuinely better suited to the job.
Iteration needs standards
“Just iterate” can become an excuse for never finishing. A useful rebuild needs standards. What has to be faster? What has to be clearer? What should the person using it trust more after the rebuild than they did before?
I like rebuilds when they make the product quieter. Less fiddly. Less dependent on memory. Less impressed with its own cleverness. More direct about the answer it is trying to provide.
That is when the rebuild feels worth it. Not because the code is newer, but because the product has learned something and now behaves like it.