Plants Vs. Zombies Trainer -

It depends entirely on your context.

A critical note:

The original Plants vs. Zombies has a significant progression system. To unlock the full roster of plants and upgrade your Zen Garden, you must replay levels and grind for coins. For players who have already beaten the game multiple times, replaying the Adventure Mode just to earn enough money for a specific plant can be tedious. Trainers allow players to instantly max out their currency, unlocking the game’s full potential without the time investment. plants vs. zombies trainer

Right-click the trainer .exe file and select "Run as administrator." This gives the software permission to write into the game’s memory space. It depends entirely on your context