I mostly agree. Just one thing. It's probably not going to work out well for you if you do everything yourself. I think this gets mixed up in the ethos of holding your own keys (which you MUST do yourself). When you're building out an idea it's best to collaborate with people who specialize in fields you can't possibly compete in. Maybe you're a Dev, your design skills are probably not good enough. Maybe you want to sell something, your website skills aren't good enough.

The division of labor.

Its still a thing with or without Bitcoin.