It means…
You’re a millionaire in the making. What you are experiencing now with your current or former employer is basic training. You can’t be a side hustle millionaire without having life experience under your belt. Hang in there. The best is yet to come.
The employer is an absolute fool to target any employee for wrongful termination. Narcissists employers who do things like that don’t know but they make the terminated targeted employee rich beyond tangible gains.