I think one of the first steps is to acknowledge your relationship with money and know what kind of money person you are.
This is something that the gurus don't seem to address - they say "what to do" but it has to be cross-referenced with who you are also.
I have heard that book is good - a best seller in oz I think.
I actually got that acknowledging your relationship with money part from like a reality show on Netflix.....lol. How to get Rich, not a fan of the title, but it does share some interesting tidbits.
There is no one size fits all method to money management, but for the math/formula nerds.
Assuming all things constant, Revenue > Cost = Winning. Revenue < Cost = Good luck.
Now click & upvote me to pay for my advice.....hahaha