If a trainer does not work, you can manually report your own "infinite money" by editing the skirmish.ini file located in your Documents folder under Command and Conquer Generals Data .
Using these in multiplayer (GameSpy at the time) was a cardinal sin. It often led to the infamous "Game has detected a mismatch" error, instantly crashing the session for everyone involved. Command & Conquer Wiki Modern Alternatives (No Trainer Needed) If you are playing the game today via Remastered Collection Command And Conquer Generals 1.8 Trainer WORK
If you prefer not to download third-party software, you can modify game files for similar results: If a trainer does not work, you can