Yeah I get it. I guess its mostly building a prototype is easy, but shipping it means it needs to have everything integrated to have sales .etc. Working in a company in 5-10 years can go either ways, you can get stuck working for someone too.
So my advice is still go get a real job at a successful small-to-medium sized company so you have a better chance of learning all aspects of running a business for a while.
There's a reason the average age of successful start-up founders is 45:
https://www.inc.com/jeff-haden/a-study-of-27-million-startup...