No one can give you an answer as they do not know what the industry will be like when you finish training, they don't know what your like etc etc. It is possible and many do it, however many do not. It's a gamble like many things, if you don't do it, will it always be at the back of your mind?
30 is no where near too old. How old are you now? Asking as on another thread you are questioning about a flight school to complete your initial training.