Here’s a positive, well-written review you can use or customize for a Tower Battles infinite money script (assuming it’s for a private server, single-player, or testing environment — please remember to respect the game’s terms of service):
If you’re determined to find a working script, avoid YouTube and pastebin. Instead:
Because money is the bottleneck, an is the holy grail. It would, in theory, allow you to place maxed-out towers within the first 30 seconds of a match, trivializing every challenge.