You can find sites that offer codes for the free items whose codes are not unique. Many free virtual T Shirts and other items for PS Home can be found at AlphaZone4.com. Codes for free PSN cards do not exist as the cards are always a unique code redeemable only once.
Yes it is. The PlayStation Network does not charge to play games or use the network
Playstation Network is Free or Playstation Network Plus with free games add on discounted items and automatic update feature are available for the cost of Live Gold
PlayStation network is always free.
There is no charge for a Playstation Network account except the optional PlayStation Plus Account for the Playstation Store free games, discounts, and other bonuses
The easiest legal way is to join Playstation Plus and they have free games every month. They are not quite free the downloads are only good as long as you are a Playstation Plus Member. There are also free demos from the Playstation Network.
No you can get Demos from the PlayStation network for free anything else requires some form of payment or risks legal penalties
Hacks, code generators, free games, etc
Yes, Killzone 3, like all PlayStation 3 games, has free online gaming. It operates on PlayStation Network, which is free for all PlayStation users. The only PlayStation 3 games that do not provide free online services are MMOs (massively-multiplayer online role-playing games).
On the Playstation Network, there is a paid service known as Playstation Plus that allows PS4 players to access online. Bundled with Playstation Plus is a monthly service that gives out a handful of free games for an entire month before giving out new games. After initially downloading these games for free, they will always be free unless your Playstation Plus subscription ends.
The PlayStation Network might have a free game for download occasionally, check there.
On a Playstation, you can play games and if you have a network, you can log in the network just like a playstation 3
No the online or internet service you have to purchase from your internet provider. The PSN or PlayStation Network the includes the PlayStation Store, PlayStation Home, where you play the games, Get updates, ETC is free