Well, start with the fact that you have to learn sniper positions in Cherno\Electro\Stariy\ NW AF etq. Also you need lern accurate zeroing using mildots, but easly just ask you friend for range fidner. Google dayz sniper map. "Snipin`s a good job, mate! It`s challengin` work, out of doors... I guarantee you`ll not go hungry" - TF2 sniper.