Switching Development Vendors Without Losing Your Codebase or Your Year | Clickmasters

2–6 weeks of paid parallel access where feasible: walkthroughs recorded, questions answered, critical fixes shadowed — expensive-looking, cheap versus archaeology.

Exit-assistance clauses invoked per the MSA, final invoices tied to transfer completion, and a stabilization sprint before new feature work — continuity first, velocity second.

Skipping the discipline this article describes until an incident, audit, or stalled project forces it — every practice above is cheaper adopted early than retrofitted under pressure.