I am also a scalper and I do the same .
I don't risk more than 2% capital and avoid greed .
I always put Stop loss in scalping because I have lost 2-3 times 14-30 $ in few minutes and Now I don't repeat that mistake .
I use T/P to 5-10 pips and Stop Loss 20-30 pips using M5 and M15 Timeframe .