Also had this problem several times. What I do, is the following: Just open the position. and the next action is to modify the order, where I have already defined my usual T/P, S/L limits. This is a very rudimentary system, and it has the risk that ...

"Invalid S/L or T/P" on MT4

There are other factors, it would help you if you review other concepts such as: - stop loss orders S/L, take profit T/P - money management - minimum trade size - leverage Then it is easier to incorporate the idea of margin. Once you understand the ...

Trying to understand lots and buying on margin

I would use volatility indicators. Otherwise if you trafe with M30 or H1 you should be ok with those news, most of them introduce noise in the system, but they do not affect the main trend of the day.

How long after a major news event is it safe to trade?