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Free Weapon Upgrades (Exploit)

During a mission, visit an Ammu-Nation and purchase a weapon and all upgrades. Kill yourself after and the mission will fail. This will give you all your money back, however if you visit the Ammu-Nation again, the upgrades on the weapon will still be marked as purchased.

Very Easy Money (Exploit)

In the ocean near the north side of the map, you can check underwater to find a crashed airplane. When the airplane crashed, a briefcase full of money (around $12,000) also found its way to the sea bed. You can swim to find the wreckage and the briefcase. After you collect that briefcase, you can then immediately switch to another character and then switch back to the one who was located near the briefcase. When you do, the briefcase will have reappeared. The character who is underwater will collect the case again and his supply of air will return. You can repeatedly use this trick to quickly amass a small fortune.

To make this trick even more useful, you can set things up so that you're switching repeatedly between two characters who are both near a briefcase found in a separate area (they can't both be near the briefcase that is underwater because one of the two characters will soon drown from a lack of oxygen). That way, you're rapidly building a fortune for both characters, instead of for one of them at a time.

Taxi Money (Exploit)

Hijack a taxi and start driving it around. When you are assigned a job by the dispatch operator, accept the job and follow the GPS path to reach the waiting customer. Once you pick up the customer, take a roundabout route to the requested destination. Your passenger will have to pay for the ride according to the distance driven, even if the fare winds up in excess of $1000 because you went joyriding. This is an efficient way to obtain money near the start of the game.

Jump Locations

On your in-game browser, go to junkenergydrink.com/page5 to see the locations of all of the Stunt Jumps.

Ammu-Nation Discount

If players complete all Gun Range challenges, they will receive a 25% discount at all Ammu-Nation stores.

Armored Vehicles Mean Easy Money

In the beginning hours of the game, one of the easiest ways to make money is to rob an armored vehicle. They appear as blips on the minimap while you are driving around. Take out the drivers, then shoot the back doors in the center by the handles to have it open. Collect the money, which is often worth over $5000, then escape the cops.