I understand that the key to being a good sniper is not being seen and getting to a good hiding place (preferably high.) Any suggestions?

sigh... i'm not gonna encourage camping,,,
but cloak would be of good use at hard places to shoot and yes high places are good too but my suggestion is don't stay in one place for too long because people will start to come back to that area, look for you and try and kill you so i would suggest moving about but if you are not a good 1v1 person with sniper then i would say keep your distance from others