Successfully complete all challenges and open all charters in career mode to get an X-ray mode when you zoom in on scopes.
Buy a gun that comes with expensive ammunition. Sell all of the ammunition, then sell the gun. You should get the money for the gun and ammunition at full price each, which is more than you paid for the gun.
Choose everything that you want for your equipment, and do everything else based on the game type. When you choose "Hunt", press R2, choose the heaviest thing, and press X. Then, do this repeatedly. When you have taken out everything, put everything back. When you run, it takes it down much slower as if you have nothing.
When selecting your rifle in action zone, it is best to get an automatic. You will be able to shoot faster and will not get attacked as much.
After starting the hunt, walk up to a tree or in the bushes. Press R2 then select the tent. Press X. You will be told that you cannot use this here. Keep pressing R2 and X five or six times, then continue. Your walk meter will not go down.