In addition to its predictable cost structure, flat rate credit card processing often features streamlined setup processes and user-friendly interfaces, making it accessible for business owners who may not have extensive technical knowledge. Many processing providers offer integrated solutions that allow businesses to accept payments seamlessly both online and in-person. 

This model also typically includes features such as fraud protection and customer support, which provide additional security and reassurance for merchants. Overall, flat rate credit card processing is an attractive option for businesses seeking clarity in their payment processing expenses while maintaining efficient transaction management.