yes if you want a lofe like seriously dog.
No the PS3 network is free to play games on
No not with a new game
no
Yup, in order to play online you need internet.
No, but you must have an online connection, be a PlayStation member, and have the game
You need the game in the PS3 to play it online, then it is an option available if you are also able to go online
No
you need to be connected to internet
Yes. You can't play online without active internet.
To go and play online on your PS3 is free. The exception of course is that you do of course have to pay for an internet connection. Also certain online services on PS3 do cost money, such as netflix.
No, PS3 online is 100% free.
by tekken you mean tekken 5 dark resurrection for ps3?? you need a ps3 and have to download the game from the playstation store - you can play this game online