While some versions work on existing saves, many creators recommend creating a new profile to prevent economy glitches, such as AI drivers earning negative money. Alternative Methods
Many versions include reduced fuel costs at garages, 100% truck refund values, and no penalties for canceling jobs or damaging cargo. More Money and XP v1.5 1.44
Enable the mod in the game's Mod Manager . It is often recommended to set it to High Priority if you are using other map or economy mods to ensure it overrides default values. While some versions work on existing saves, many