What is the ownership screen a build candidate must pass?
Stable, well-understood workload; weak vendor moat where it matters; spend material enough to justify five years of ownership; a named internal owner; and no single-person dependency. Regulated categories like payroll fail by default.
RELATED PAGE · Build vs. Buy decision guide Which SaaS categories get replaced by internal builds most often?
Workflow automation and internal admin tools - the categories with the weakest data moats. In Retool's 2026 survey of 817 enterprise builders, 35% had already replaced at least one SaaS tool with a custom build.
RELATED PAGE · Software Insourcing & SaaS Cost Advisory