It's is absolutely dependent on the type of trader that you are. If what works best for you is day trading, then you'd lose money if you try to trade on the long term. Swing trader can sometimes place a trade and it will last for 4 weeks and even more.
I think what you really need to find out is what of trader you are. You might have to try it yourself with some demo account so you don't blow your capital. Take your chances with and try in the process, discover what type of trader that you are.