Save files are complex structures. Amateur editing tools or user error can easily corrupt a save file. If you break the file structure, the game won't recognize it, and you could lose hundreds of hours of legitimate progress permanently.
Using the in-game Auction House to buy cheap cars and resell them. Dedicated players make 20 million credits per hour legitimately. forza horizon save editor
Grinding Goliath laps for hours gets old. With an editor, you can set your "Credits" to 999,999,999. More importantly, you can edit "Skill Points" (the currency used to buy Car Mastery perks). This allows you to instantly unlock Wheelspins and XP boosts without drifting through cactus fields for an afternoon. Save files are complex structures
For content creators and tuners, save editors provide instant access to every vehicle. You can test the top speed of the Hennessey Venom F5 against the Koenigsegg Jesko without spending 10 hours earning them. Grinding Goliath laps for hours gets old