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Build or buy: when does custom software beat an off the shelf tool?

Buy when an existing tool fits most of how you work and the gaps are small. Build when your team spends hours each week on workarounds, pays for features nobody uses, or needs something no tool offers. AI has made small custom builds far cheaper than they used to be.

By Xavier Iglesias · Updated October 31, 2026

Signs you should keep buying

  • The tool fits most of your process.
  • Your team actually likes using it.
  • The missing pieces are minor and have simple workarounds.

Signs it is time to build

  • People keep a spreadsheet next to the tool to do the real work.
  • You pay per seat for features nobody touches.
  • Your process is your edge, and the tool forces you into everyone else's.

What changed

AI now writes much of the code for small, focused tools. That turns a project that used to cost a development agency's full rate into something a small team can afford. A person still has to design it, test it, secure it, and keep it running.

Questions to ask before building

  • Who owns the code and the data?
  • Can we export everything at any time?
  • Who fixes it at 9 PM when it breaks?
  • What does it cost each month to host and maintain?

Start small

Build the one screen your team uses every day. Live with it for two weeks. Then decide what is next.

Want this set up for you?

It starts with a free 30 minute call. You leave with at least one useful idea.

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