Filmy4wap
: Some claim to modify your currency balance directly, though many of these are visual "client-side" only and won't actually let you buy permanent upgrades.
: Focus on upgrading your Rocket Launcher and Backpack capacity first; larger bags mean fewer trips to the sell zone, increasing your "coins per minute."
For a look at how these scripts appear in-game and the legitimate ways to maximize your earnings, check out these videos:
Using these scripts is a violation of the Roblox Terms of Service and carries several dangers: