Answer
Break the roadmap into bounded phases with a defined success measure, a rollback path, and a clear business owner for each step. Visible progress matters because modernization programs lose support when the work stays abstract for too long.
Risk drops when the team pilots with a real workflow, documents assumptions, tests user impact early, and avoids changing every layer at once. Buyers should prefer platforms and partners that can support phased execution instead of demanding a single leap of faith.