[twawaaay]

Contrary to some opinions here, I think this is very good advice.

I am always giving as much notice as I can. And also try to finish my projects and accommodate my employer/client as much as I can at the end of the project.

Regardless how unprofessionally they may act, I resolve to always act professionally myself.

I think it is more about the attitude rather than simple cost/benefit calculation.

But even if you are just looking at cost/benefit, after two decades of doing this I am finally seeing people noticing and coming back to me. I have my past bosses bringing new work to me, I have my colleagues spreading information about me by word of mouth. I have CEOs of unknown companies reach out to me because they learned about me from somebody who worked with me in the past.

Maybe you will not get noticed when you are junior level but when you get a bit more exposed position it starts becoming more and more important.