There are many different reasons for career changes, both outside, and internal factors. An example of an outside factor would be a reduction in the workforce at your current job; internal examples would be simple dissatisfaction with your job.
Changing careers is kind of like a makeover for your entire life, but a little bit more painful. Any time you switch careers there are likely to be a few pains, particularly in terms of finances and time. You can also look for changing options for career via A Guide For Your 20s.
Why Would You Start Training For A New Job?
If you are living the dream and are delighted with your current job, then you may not even need the advice we are going to dispense. However, you need to take a good look at yourself and imagine your position ten or twenty years down the road.
Many people don't realize the toll that their careers have on their bodies. The longer you do one job the more likely you are to be affected when you are older. It may seem fine in your younger years, but sooner or later night shifts, physical labor, even typing will catch up to you.
Let's face it, most of us are not much for planning in our early 20s; we simply fall into something. But once you hit those later 20s and 30s, you will have the capacity to plan and to plan around a life that you have already established. This is good news if you see yourself at another job; because it gives you time to work out a training schedule.