I know that Cottington Woods tends to have traps, since their GM is an old school trap-rogue.
For lockpicks, take a look around on the side of the road for broken off street cleaner bristles. They're thin, slender, and made of spring steel. A little work with a dremel and you can make your own set rather easily. Not that I've done it myself or anything...
Another sneaky useful tool is something called a "spark gap tool". It's a little folded widget that has a stack of metal sheets of varying thicknesses. It's really meant for measuring the gaps on spark plugs, but the applications of a near paper thin peice of metal when disarming a trapped box cannot be understated.
That being said, having something like an old credit card is good too, because it's
nonconductive. Last thing you want to do is bridge those two contacts with your probe and hear the dreaded buzzer of doom.