Initial cost estimation includes software development, customization of software, hardware/device procurement, and consultation fees.
ERP software licensing fees and ongoing subscription costs will be taken into consideration. Few ERP solutions charge on a per-user common challenges and some ERP solutions charge on bulk.
Once the ERP system software is developed there will be an implementation cost which will be charged for the implementation process.
Maintenance costs would be weekly, monthly, and yearly depending on the ERP system quote you choose. Maintaining the ERP software system is a must to make the use flawless.
Hardware includes servers, networking equipment, and storage devices. Make sure that your infrastructure can support the ERP system software effectively.