i agree, at CC in the 8ish months i have been there im still floored by the stupid stuff i hear.
ie. this guy was a computer engeneer who was running at bazooka 300 rms amp with an infinity reference 12 inch sub (300 rms also). he swore he needed 0awg wire, he sat there with a paper and calculated the amps/wtf ever else and determined he had to have 0awg... i may be the idiot here but every set up similar to that i sell 8awg wire and there is never a problem
we even have charts set up for amps/feet to determine the proper wire size