5 packs of pmags are going for an average of $275 on gunbroker. I can buy single mags here for $38.50 each after tax, but I'm limited to 3 per visit/per day. If I could buy 5 a day, I could make an $80ish profit every single day by just buying them at the local shop and selling them on GB.
"You'll Never Walk Alone"
"Psycho Murican" -- beeemerdude of Canada