What are the drawbacks of using Grid EA?

 
I'm using Grid EA and I know that if you can't control the number of orders, the account will be very dangerous. EA will place a series of orders when the market is volatile and this can creat a big profit as well as big loss.
 
Duong Vo Van:
I'm using Grid EA and I know that if you can't control the number of orders, the account will be very dangerous. EA will place a series of orders when the market is volatile and this can creat a big profit as well as big loss.

Well you have answered your question, within your comment.

 
Yes, but that is only my opinion, I think there are other respects of using this kind of EA I don't know. So I need your opinion 
Reason: