Build vs Buy Software
The build-vs-buy decision comes down to one question: is this capability a source of competitive advantage, or a commodity? Buy commodities; build what differentiates you.
The verdict
Buy for commodity functions (email, payments rails, generic CRM). Build where the workflow is your edge, where no product fits, or where integration and data ownership matter. Many teams do both - buy the commodity layer, build the differentiating layer on top.
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Frequently asked questions
Is building software always more expensive than buying?
Upfront, usually yes. But off-the-shelf costs recur and scale with seats/usage, and forcing your process into a product has a hidden cost. For differentiating workflows, a focused custom build often wins over a multi-year horizon.
How do I decide quickly?
Ask if the capability is a competitive advantage. If yes, lean build. If it's a commodity every business needs, lean buy. A scoped estimate makes the build cost concrete so you can compare honestly.