These feel like recipes for failure because it doesn't acknowledge that most people lack the ability to:
A. Earn enough to employ these strategies
B. Succeed at their "passion" in a meaningful way.
Here is a more realistic approach if you have a passion and don't know how to balance it with a more boring career choice:
Figure out some way to dedicate a few months to it. You most likely don't have the talent or dedication to succeed. After a few months you will realize this and move on with your life having checked that box.
A. Earn enough to employ these strategies
B. Succeed at their "passion" in a meaningful way.
Here is a more realistic approach if you have a passion and don't know how to balance it with a more boring career choice: Figure out some way to dedicate a few months to it. You most likely don't have the talent or dedication to succeed. After a few months you will realize this and move on with your life having checked that box.