Instead of shooting mines, disable them and sell for profit. You can make a LOT of caps by only doing this.
If you have low Explosives skill you should be very careful though.
Those mines can blow you apart with ease.
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You should always carry around these temporary skill boosts if the skill isn't at 100:
Explosives magazine (for traps)
Sciense magazine (for computers)
Sneak magazine (for stealth)
Medicine magazine (for healing)