Of course the risk is that working on what you want to may not ever put bread on the table. There's heavy confirmation bios in play here as you only hear about

Of course the risk is that working on what you want to may not ever put bread on the table. There's heavy confirmation bios in play here as you only hear about the Gates', Musk's and Jobs'. The optimal approach for most is probably to do their level best at their day job and work on what they want to in their spare time. And perhaps, with luck and time, the knowledge and skills developed in the spare time can be leveraged to put bread on the table.