I guess that it's really important to trade with trailing stops because it's much more flexible than a fixed stop loss order. The successful using of trailing stops must include setting it at a level which isn't too tight and too wide, something between, you know. If you set a trailing stop which is too tight then it could mean that the trailing stop is triggered by normal daily market movement and thus the trade has no room to move in the trader's direction. If we speak of situation when the trailing stop is too large it won't be triggered by normal market movements hence a trader take huge risks of losses.