Leon Apel

What not to build.

A quarter gets better when you name the things you will leave alone.


I am Canadian. I split time between Latin America and the United States. I go to Europe and Asia when the work allows. The calendar still only holds so many weeks. Every new build occupies one of them. Choosing what not to build is not a slogan. It is how the list stays honest.

I work across eCommerce, payments, and health companies. The tempting items arrive the same way everywhere: a feature that would look good in a deck, a side project that would feel productive on a flight, a rebuild that would replace something that already works. Some of those ideas are fine. Most of them are not urgent. Urgency is the part people skip. They start because starting feels like progress. Finishing is quieter, and it is the only part that counts.

The useful filter is small. Does this help someone settle a real problem this quarter? Can we ship it without inventing a new process? Will it still matter when I am in a different city next month? If the answer needs a paragraph, the answer is probably no. I write the no down. A spoken no evaporates. A written no sits next to the yeses and keeps them from expanding.

Leaving something off the list is not the same as forgetting it. I keep a short parking place for ideas that might belong later. I do not dress that parking place up as a roadmap. A roadmap implies commitment. A parked note is just a reminder that the idea exists and that I chose not to spend the quarter on it. That choice frees attention for the work already promised: replies that need to land, numbers that need a second look, tools that people already use.

Travel makes the filter sharper. Morning in one country is a good time to cut three items before the inbox fills. Evening in another is a good time to leave the parked list alone. A different city is not permission to start something loud. If a build only makes sense when I am bored in an airport lounge, it was never going to survive the week. The stack stays small: a laptop, a charger, a list with fewer lines than last month.

I fail at this often enough. A clever idea shows up and I give it a half day. Then I owe the half day back. The repair is ordinary: close the half-built thread, say what I will not do, and return to the work that already has a name on it. Careful quarters rarely look impressive in the moment. They look like fewer open loops and a list that still fits on one page.

I write here so a search for my name finds a person who builds things, writes notes, shares a few free tools, and prefers work that looks like a list. These notes are not a launch. They are a clean trail. Name what you will not build. Leave the rest for a quieter week.