Things I managed to buy after some searching:

Power adapter x2 ~ $1.50 ea. (The cheaper ones are crap.)
Multi Vitamins (Mega Man) ~ $25
light bulb ~ $1
500GB USB Drive ~ $100
Dental Floss ~ don’t remember
haircut ~ $10

Things I would still like to buy, but don’t know where:

a mini swiss army knife
black construction paper