ERP system implementation is not a technical project. It's a business-driven initiative and in most cases may involve changes to your current business processes that require discussion, alignment with your stakeholders, and managing change so that your business is not disrupted because of the change. The ERP implementation would restructuring your current data and alignment with the ERP software. This data conversion requires implementation expertise that ERP consultants gain after working in the field for many years. This is the reason why ERP system implementation cost so much.