What It Is!

Notes:
They're two files!
One to set all of them to essential.
&
One to undo the change of setting them to essential.


Instructions on Use:
1. Place the files inside your Fallout 3/GOTY folder. NOT the data folder, but the main folder with your Fallout3Launcher.exe!!!
2. Run Fallout 3 and load up your save game.
3. Open up console with [~} | Located near top left of keyboard
4. Enter | BAT FO3ESSON
5. Close console and save the game.
6. Done!

NPCs Affected [So You're Double Sure.]
Companions:

• Star Paladin Cross: Brotherhood Paladin (Good)
• Butch DeLoria: Tunnel Snake (Neutral)
• Clover: Paradise Falls slave (Evil)
• Sergeant RL-3: Mister Gutsy robot (Neutral)
• Jericho: Retired raider (Evil)
• Fawkes: Super mutant (Good)
• Dogmeat: Dog (no Karma requirement)
• Charon: Ghoul bodyguard (no Karma requirement)
  

Merchants:

• Armor: Crow
• Food/medicine: Doc Hoff
• Misc: Crazy Wolfgang
• Weapons: Lucky Harith
  

Credits:
FreedomFighter4 - Took the time to make it.
Bethesda - Made the game. 
Fallout Wiki - Helped in acquiring the base IDs.