Writer-Director, Entrepreneur, Game Designer. I write about things I like. willbryanfilms.com historicalfilm.xyz oneroomschool.house skyfarminteractive.com
All this requires is a decent filing system, which allows you to easily find the information you came across throughout the years.
The truth is that this only makes it worse.
Instead of defining a tiny little niche that is imprisoning you to write about a very specific topic every single time, make your life your niche.