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Knowing When to Stop Before It Wastes Anyone's Time

Stopped before customer PoC.

Co-Founder  Kaptanos  Construction procurement AI  Founder-stage  2025

Problem

  • Construction procurement means fragmented supplier communication, manual comparison, unclear availability, repeated follow-ups, and slow decisions.
  • The question: were these pains strong and repeatable enough to justify an agentic AI procurement concept?
  • And did the problem deserve deeper validation before anything was built?

What I did

  • Framed the procurement pain hypothesis before choosing a product direction.
  • Ran customer research and validation interviews with industry stakeholders.
  • Built an advisory board of senior professionals from Turkey's construction and tech ecosystem.
  • Took part in a pre-incubation program during early validation.

The decision to stop

The project stopped before customer PoC testing, when co-founder strategic misalignment became clear.

Stopping there kept the work at discovery, before any build.

What I would do differently today

  • Pick one problem, instead of detailed market sizing for the pitch deck.
  • Validate that one problem with many potential users.
  • Launch fast. Then decide: move to another problem, or is this worth continuing? If it is, start improving the product.
  • Take the co-founder choice slowly. a16z's advice is blunt: never rush it. I would run the early stages with that in mind.