TL;DR
- Build when processes create competitive advantage worth preserving
- Buy when standardization is acceptable or even desirable
- Test, don't guess: pilot one workflow before committing to direction
- Many operations benefit from hybrid: platforms + custom automation
The build vs. buy decision framework is simpler than consultants make it sound. Ask one question: what happens when this process gets standardized?
If standardizing a workflow would eliminate competitive advantage—if you'd lose vendor relationships, pricing logic, quality differentiation, or operational speed—build custom automation to preserve and amplify that advantage. The cost of commoditization exceeds the cost of customization.
If standardizing a workflow is acceptable or even desirable—if you're currently doing things the hard way without good reason—buy a platform solution. You'll get proven functionality, regular updates, and shared maintenance costs. Don't pay for customization when commodity software serves you fine.
Most operations have both: some workflows where uniqueness matters and others where standardization is fine. The strategic approach is mapping each process to the right solution rather than forcing everything into one approach.
Here's the practical framework. High-value candidates for custom automation: processes involving significant tribal knowledge, workflows with complex exception handling, operations where speed or accuracy creates competitive advantage, and systems where platform limitations currently force workarounds. Good candidates for platform solutions: standardized processes matching industry templates, workflows where differentiation doesn't create value, and operations where proven best practices apply.
The modular approach lets you test rather than guess. Pick one workflow where you suspect custom automation would outperform a platform. Invest $60-120K in a 90-day proof of concept. Measure actual results against what a platform would deliver. If custom wins decisively, you have evidence for expanding. If the platform would work just as well, you've learned something valuable before committing to a multi-year direction.