Scope discipline is the key
An MVP should test the core promise, not include every future feature. The more disciplined the scope, the easier it is to launch and learn.
Complexity adds time
User accounts, role permissions, payment flows, integrations, custom dashboards, and data migration all add development and QA work.
Plan version two before overbuilding version one
A strong MVP roadmap identifies what must launch now and what can wait until real feedback confirms the direction.