[zaidos]

In addition to this, reading and being able to understand other people's code will provide great returns. You learn about styling, coding standards, architecture, patterns, etc that you might have never stumbled upon if you attempted to code everything yourself.

[collyw]

That must depend o having decent code to work on in the first place. Seeing some of the comments in the code bases I have worked on, I am not sure I was going to learn anything there.