nope... its business man :)
im at giran all the day search for cheap items and sell those with true value. its business, not bugs :D
btw ppl play l2 like pvp or raidboss etc... i dont like pvp... is these any problem just because i like trading with orthers?
exam: someone sell ews 70-100kk. I buy it and sell 150kk. its bugs? no joke man...