Actually I am curious both about pros and cons
You should need to know some basics before hiring a freelance writer who can do plagiarism checker by percentage and their content should be quality and unique.
The best thing about starting freelancing is the ability to be your own boss. You are the master of your own ship! Most freelancers or independent workers choose to work from where ever they like and they live their life as "Digital Nomads".
There are several reasons to start freelancing. Done on the side around your job, it's a way to generate extra income to pay off debt or save for a rainy day. ... It allows for greater independence over a job. It's often flexible, allowing you to work part-time or during off-business hours.