Good-Person
Captain Junkie
It is not good to quit a job even when you're sure of getting another because anything can happen. A bird at hand is better than two in the forest. So try to do personal investment even as you are changing jobs to keep you finance balance.
Quitting job during the current times could be a really bad decision. The fact of the matter is that if you quite your job without any back up, then you will end up in great trouble as the economical problems of the world are getting worse.