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.
The only way to complete the challenge Hunter in Distress is to kill four hyenas. When you kill four hyenas, find the waterfall with two ponds. When you find the waterfall with two ponds walk straight out past a huge boulder and the hunter should be sitting on a rock.
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.
Crouch down and get back up but before you get all the way up hit select and choose tripod stand.It might take a few times before getting it right.
Successfully complete all challenges and open all charters in career mode to get an X-ray mode when you zoom in on scopes.
[M] Must Be On
All Weapons & Items Cost Nothing-
Infinite Ammo / No Reload-