A modular ERP system is more flexible than a monolithic one because you can choose only the modules you need. This means you will spend less money upfront and it will work better for the way you do things. As your business grows, the system can be easily adjusted to fit your needs without having to make major changes. Its modular nature also minimises disruption, since new components can be added or removed gradually. Modular ERP also makes your business ready for the future, because you can upgrade or replace individual modules. This helps you stay up to date with new technologies and changes in your business, without having to completely redesign the system.