PS - maybe add "I have a friend who I'm certain is capable of doing this job, I highly recommend her as a replacement if you need one."
Now, finally, I could give notice. As it turns out, they "let" me stay pretty much the whole two weeks.
And that is before talking about the fact they trained someone who had not yet signed an NDA in our processes and internal workings. I know in some areas this is not a problem, but in some industries I worked with this could have caused major issues. In fact, if working with any kind of sensitive data, this could involve actual crimes being comitted.
And that is not to mention the fact I would have to then have a long talk with legal about whether or not we needed to pay her for the week of training already done. And, again I am not a lawyer, but I suspect this could have opened up horrible liability situations if she had actually been injured in an employees only area while being trained without an employment contract.
The only saving grace is that most managers generally (I certainly did) have a good enough idea of what is going on in their areas that this would have been caught and corrected within hours instead of an entire week.
[Edited for minor grammar and spelling fix]
Depends on the role, if it's a service roles that anyone can be trained up for in a week or 2 it's a great idea.
The idea of planning a succession is a good one, but not just on your own.