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Why 'Let's Build It In-House' Usually Costs More Than a Contractor

·EN

  • outsourcing
  • engineering management
  • Cloverity

“Why pay a contractor? We have a team, they’ll build it in a month.”

Whenever I hear that on a call, I already know how it ends. Usually it’s minus six months, a burned budget, and broken illusions. Building it yourself from scratch is the most expensive way to “save money.”

When you hire a contractor who has already shipped something similar, you’re actually buying three things at once.

Someone else’s mistakes, already made

Take a Stripe integration. By the time your own team figures out the rate limits, how to catch webhooks properly, and what to do with failed payments, you’ve already lost real money on real transactions. And payments are exactly where a mistake costs the most. We’ve already stepped on those rocks before you did. When you hire someone with no track record in the domain, you’re paying for their education out of your own budget.

Speed

By the time you find a team, write a spec, and test prototypes, six months are gone. In the age of AI, that’s an eternity. An experienced contractor ships a working solution in weeks.

Freedom from support

Writing the code is 30% of the job. Then come the bugs and the updates. Why would you become the PM of your own internal IT startup and get pulled away from actually running your business?

Building in-house from scratch makes sense in exactly one case: you’re creating a unique product to sell. For automation and AI tooling, it’s almost always cheaper to hire someone who has already walked that road.

Save real time, not imaginary money at the start.