For me
"Unless you like the possibility of not having a job from time to time."
I call that vacation and plan it between contracts rather than take time off in the middle. I rarely leave a contract without another one waiting. This is my business and I treat it very seriously.
I also worked for a company early in my career that talked up their "training benefits." Problem was that I was too valuable to ever get training. It was more to their advantage to keep me working than to send me to training. I fell behind and eventually quit when I didn't have the skills to work on the new technology projects. It would have taken me a month(a month of not producing) to come up to speed to work on the new projects and it was easier to hire an outsider who already had the skills. Why send me to training when I was already the "guru" on the old stuff?
Employee training is a nice "benefit" but not one that a lot of companies are actually serious about offering.
