I am not sure, it is that easy, you can make nice profits, but also loose a lot. Sure not having a boss is a good point 
But education is still very important, maybe not expensive, but without doubt, a lot of effort to become as good as to be able to constantly making money. And let's not forget about, that you need an initial investment, which many people does not have, so in that manner, an "expensive education" may be cheaper..
Right.Day trading has a lot of advantages but in order to enjoy all its advantages,you must first learn and experience more on trading so you will develop your own skills in trading.Day trading can give you a huge and continuous profit if you are using good strategies that will not make you lose much. But education is still very important, maybe not expensive, but without doubt, a lot of effort to become as good as to be able to constantly making money. And let's not forget about, that you need an initial investment, which many people does not have, so in that manner, an "expensive education" may be cheaper..