What do you need money for if you can take anything you want?Yeah same, rob banks and steal car keys and stuff
I would stop time for Itachi so that he could train for 200 years so he could maybe take on ObitoTo make investments and savings for the future.
You could just stop time again and get what you want when you want. There's no need to bring IRAs or stock options into this.To make investments and savings for the future.