xbox 360 flash please help

[ramzez]

hello im 16 and as of yet ave no job so i cudnt affford 2 keep buying expensive 360 games so i had it flashed i ave over 30 bakup games which i NEVER play as im bored of them and i wish to play online which i know iwill get barred but my questoin iis if i buy a retail game u know not backup proper game from shop can i play it online using my flashed 360 without getting barred or will i get barred from tha 2? al help greatly appreiated