The method she should use to pay her bills, to avoid late fees is to Set up automatic payments
This refers to the automated system that enables a person to make payments for a good or service without doing it manually and is more convenient.
Hence, we can see that based on the fact that Melanie is worried and does not want to pay late fees, she would do her best to Set up automatic payments
Read more about automatic payments here:
https://brainly.com/question/8140974
#SPJ1