Use the following trick to travel quickly across the map. To perform it select a race that is close to where you want to go. Then if you go to the race and enter the lobby and drop out of it you will spawn at the start ofthe race location in Free Roam mode.
The following glitch works on Patch 1.04. To perform it buy the Batiï»¿801 motorbike and then pause the game. Select 'Options' and set 'Spawn Location' to 'Last Location'. Take the Batiï»¿801 to the Los Santos Customs car shop and customize it as much as possible so that it's value greatly increases and then sell it. Immediately after selling the Batiï»¿801 pause the game and select 'Online' followed by 'Swap Character'. When the 'Character' selection screen appears choose the same character you were just using to sell the Batiï»¿801. If done correctly you will spawn back on the Batiï»¿801 you just sold outside the Los Santos Customs car shop and still have the money you received for selling it. This glitch can be repeated as many times as you want to get the desired amount of money. It is possible to make $5 million an hour using this glitch.
The 'Rooftop Rumble' mission will become unlocked from Martin Madrazo the leader of a Mexican narcotic gang in the Los Santos area when you reach Rank 75. To complete the mission you must kill five people, it is possible to earn up to $2 million and 400K RP per hour by continuing to efficiently complete the mission. It is also possible to do the mission if you are ranked lower but get invited by someone who is at least Rank 75. If you are at a lower rank, make sure to use sticky bombs instead of the grenade launcher, and kill any survivors with a rifle.
The video below will show you how to get $700,000 per hour whilst also getting 160,000 RP per hour using 4 players on the mission 'Mixed Up With Coke'. This is a full video from all 4 players' perspectives to assure that everything goes smoothly.
Create an account at the Rockstar Games Social Club and link it to your Xbox Live account. Then when you create a character in GTA Online highlight 'Dad's Father' under the 'Heritage' option and press Y to select John Marston from Red Dead Redemption as a 'Special Dad' for your created character.
Duplicate another player's vehicle to either sell or keep by doing the following glitch. To perform the glitch you must request a job from Gerald while you are in another player's vehicle. When you get the mission use the other player's vehicle to do it and make sure you are driving it when the mission ends. When the mission does end enter Free Roam mode and go to Los Santos Customs and try selling the vehicle. If you are unable to sell it add a tracker to it and go back later to sell it. If you want to keep it add a tracker to it and insure it.
During a mission go to the nearest ammunition gun store and buy all you can carry. If then kill yourself outside by dropping a grenade and return to the store you will notice that the items that you purchased before will be marked as brought and you will have the same amount of cash you had before you killed yourself.