Preparing for your Dream Career change!!!

Most people, who are looking for change to a new career and have decided what they want to do, often wonder if it is too late to do so, in their life. People into their late 30s or 40s, or even in their 50s facing this predicament, are often those who have been doing fairly well in their current jobs. Some common questions asked by them are – is it too late to make the change, and if not, then how do I go about it?