Here, here. Let's not be too quick to thumb down suggestions and contributions from other posters. I see some gems being shared around. Put them together to develop a plan or fire wall against being unemployed.

Yes, it is important to remain employed. For almost anyone, employment income is their single most important source of income. So remaining relevant and useful to your employer is very important. One therefore needs to constantly upgrade and pick up new skills.

Having said that, one cannot avoid getting old. There is good reason why companies prefer younger employees. They are more nimble, quick to pick up new concepts, and not to mention cheaper to hire.

Health is also another factor. No one can gaurantee that they will continue to remain healthy even as they take on new skills, and remain relevant. It is obvious who a company will choose, a young, cheaper, healthy employee who can be trained, or an older, experienced but sickly person?

Having constant saving and investing the saving throughout one's career should goe hand in hand with keeping relevant in the job market. A person having established a constant stream of passive income will feel less stressed and strained at work (less insecure about being laid off) may end up being a better employee than one who is constantly worried about keeping his job.

I see positives from the contributions from the posters. Now is to put them into practise.