It helps to replace the tape regularly (once you start getting problems, you will probably continue getting them). There will often be flaws in the tape after a while, which are difficult to see. I have used all the different types of rim tape. They are probably roughly the same. As you have found out, insulation tape over the top helps it to stop sliding around and exposing spoke holes. Stans etc is only for tubeless and really only for MTB at moment, and whilst fantastic, is hard work to set up (I use it for racing but not for training).