: By saving Lester’s Assassination missions until the end of the game and investing all your heist money into specific stocks beforehand, you can achieve a massive return on investment.

: There are no official cheat codes for unlimited money in GTA V. The only way to get large sums of cash legally is through the stock market, heists, or specific in-game events like the HSW Time Trial which can grant a free upgrade worth up to $2 million.

: Most legitimate trainers, such as the Menyoo or Simple Trainer , are strictly for Story Mode . Using any trainer or "money mod" in GTA Online is a violation of Rockstar's Terms of Service and will almost certainly result in a permanent ban .

: Rockstar occasionally offers free money through events. For example, linking a Twitch account to your Rockstar account has previously rewarded players with free $1,000,000 in-game . How Install Simple Trainer | Get Unlimited Cash | #gta5mods

Instead of risking a ban or a virus, you can use built-in game mechanics to reach the maximum money cap ($2.1 billion) in Story Mode: