%%- Choosing entry and stop-loss points isn't a problem in trading futures.
If market goes your way, and it feels so right, add to position aggressively and quickly. Often this is when the most profit is made within the shortest time.
Taking profit is like cutting loss. Get out when it doesn't feel right anymore, not when things start to go wrong. And it may be done gradually.
If it's a false alarm, re-enter if possible. If not, so be it. No need to catch the entire move everytime. Profitable trades abound.
%%- Over time, the amount of profit made is proportional to one's ability to wait for the right trades, assuming he can make money.
Staying out of a choppy or lethargic market is a virtue. One loses profit back to market for lack of patience.
Trigger-happy is a no no in trading.
%%- You stay healthy, make money, and squeeze out time so you can have fun.