Kelvin Mah's Blog Post - https://www.humanproofdesigns.com/keyword-difficulty-checker/
Long Tail Pro - https://longtailpro.com/
Ahrefs - https://ahrefs.com/
KW Finder - https://kwfinder.com/
MOZ Keyword Explorer - https://moz.com/
SEMRush - https://www.semrush.com/
Episode 30 Questions: https://www.facebook.com/groups/1165987043433051/permalink/1643561109008973/
Niche Hacks Facebook Group - https://www.facebook.com/groups/nichehacksprivate/
Which keyword difficulty checker is the most accurate?
Different Keyword Tools
Different Types of Keyword
How long does your content have to be to perform better?
Longer content does perform better. There's also a correlation with better performing sites with more content in general.
"Don’t pick a niche and don’t pick keywords just base on keyword difficulty score" - Dom