: Always keep a backup of your original save file on your PC before editing. If the "Rehash and Resign" process fails or the file becomes corrupted, you could lose your entire character progress. Modding Fallout 3 Xbox 360 With Horizon
Save editing provides a breadth of customization options that were otherwise unavailable to console players: How To Mod Fallout 3 Xbox 360 USB (Fixed links) fallout 3 xbox 360 save editor
Using a save editor can sometimes glitch achievements. If you care about your Gamerscore, use these tools sparingly or on a secondary save file. : Always keep a backup of your original