James Clear has a great take on the 80/20 rule and why you just may not want to follow it exactly.
This is the downside of the 80/20 Rule: A new path will never look like the most effective option in the beginning.
The 80/20 Rule will help you find the useful things in your past and get more of them in the future. But if you don’t want your future to be more of your past, then you need a different approach.
Food for thought as you look at your business and plan where you want to go.