Recently when I order my troops to go somewhere they just wander off all in different directions and get picked off 1 by one, instead of attacking a certain defence building. Also I get just a couple of rpg's from the same squad wandering off into the most heavily fortified part of the map /...

It's a gold using exercise saving the resources for anything big, that's how the devs want it, us spending actual money to go anywhere in the game or just keep up with others.