As a freelance writer you pretty much have two options — One: write within a niche, sticking to an industry, or within a specific area within multiple industries, or Two: market yourself for anything and write about it all. In order to do the second, you must adapt quickly when given a job writing about something you know nothing about.

Based on my experience as a content creator, I fit into the second category. I’ve broken into new industries numerous times. I’ve had to write, in detail,...