The tools, indicators, trading systems, Expert Advisors and other trading softwares are just to help traders but overall you will face Stress for sure!
It does not matter that you use a manual trading method or Automatic trading robot. You will face stress in trading.
The trading is dangerous and there is real risk involve. You can lose your real money trading account and all hard earned dollars gone in few minutes, down the drain.
A trader needs to have a correct trading mind set to trade market.
Trading is 90% psychological and 10% is the trading formula or other trading indicators/methods/tools/Automatic trading software/Chartings softwares.
Imagine, if you do not have the correct trading attitutude, discipline and patience in trading then you will lose money for sure.