Not if you don't want to risk being banned from the PlayStation Network. With the new PlayStation Network security software it may not be as easy to get away with just creating a new ID if your are banned
Yes it is
Yes, it will be fine.
The PlayStation Network can ban your PlayStation account and stop you from using the PlayStation Network, but it is not a hack. The related question contains reason for being banned and offers a link for more detailed explanations
Playstation Plus does not have anything to do with hacking on the PS3 and is a Playstation Network premium service
Yes, that's illegal.
You don't hack a Playstation Store if you want to stay out of jail. It is very illegal to try to steal from an online store and a federal offense to use the internet to steal
Since it is a criminal matter no information on the hackers will be released
don't do it, if you get caught playstation network will permanantly ban you from using playstation online from that address
You don't even asking about doing that can get you site ID blocked from the PSN
Some one can hack into your internet and get all your information.
OTHER NETWORK who are they? how do i hack there internet?