~snip
The downside of scalping is you miss out on most of the gains from trends. Higher time frame traders can just hold for weeks for huge profits, while you're constantly opening and closing for tiny little profits. Plus, low time frames (hourly and below) are very unpredictable, which makes scalping even less profitable.
Which means there are different types of approach in either scalping, daytrading and swing trading due to their respective time frames? As far as I understood, there is an instance that a technical analysis intended for scalping may not work in either daytrading or swing trading and so on and so forth..
Even though I feel overwhelmed, I think there is nothing wrong to become a trader who can do different trading approach so that you can easily adjust depending on your daily or weekly routines. Thank you @exstasie for a kind explanation, it was even harder than I had expected.