For most three-person startups, a single monorepo wins by default โ not because monorepos are architecturally superior, but because at three people the expensive problem is coordination overhead, and one repo with atomic cross-cutting commits removes it. You should reach for polyrepo only when a...
Source: [Dev.to](https://dev.to/libme/monorepo-or-polyrepo-for-a-three-person-startup-a-decision-framework-51nd)