Modding genesis IS FREEE!
Modding = modifying. Means changing it in some way.
Yes especially online modding.
You get banned for modding anything dealing with an Xbox
it depends what your modding some times its safe sometimes it is'nt
Modding affects the console.
Modding and Hacking are prohibited, if you get caught you will be banned from playing the game.
iso modding is when you copy a game to another empty disc and inject mods to the disk
No
no
Modding your 360 does not affect anything in a negative manner. Your original discs will work the same as they did before. -Personal experience from modding XBOX 360 for 3 years.
I wouldn't want to know because you can get a suspension from modding on Xbox LIVE