How to Negotiate a Social Media Manager Position

"I was underpaid for the vast majority of my career because I didn't have the skills to negotiate," she says. "The reason we don't pull a number out of the air is that it's not backed in data, right? So your employer could be like, no, there's no reason to give you that raise or no reason to given you that starting salary." Have conversations with colleagues at your current work or go outside and say what would you expect this job with X skills to pay?"