Tips for br

How do you eliminate a squad full of sweats who think grass is lethal when you are all alone right when the safe zone is closing in. I was doing my business peacefully until a squad with complete mythic load out came and harassed me. I somehow managed to escape and died due to the safe zone.

Also how do you snipe moving players without wasting two mags and drawing too much attention.

And finally good tips foe sniping in br or going all out in a match. What weapons should I loot and all