To survey the area around you for foes you missed, hit the VATS button repeatedly as you make your character spin.
You have 4 attempts to hack successfully. Try 3 times, bail out, then try again; repeat this process.
When running out of inventory space, find a companion character to help you.
Can be located in: Evergreen Mills, Galaxy News Radio, Jury Station, Takoma Industrial, and The Capitol Building.
Go to the Scrapyard, northeast from Megaton, over the river, where you’ll find the dog.
Unlimited Good Karma:
the towns of Rivet City and Megaton, you can locate parched people who
ask you for filtered water; give them it to increase your karma.
Avoid Breaking Bobby Pins:
patient when picking locks; after a 3rd attempt, the pin may break, so
back out after the 2nd try and go back to reset the pin strength.