i believe it has dedicated servers so it doesnt lag. but if not then you will get lag if u have a bad connection. for me i never lagged and i play on the ps3 but i also played on xbox360 and never lagged so to sum it all up ill say no.
Yes, you do.
No
If you only have the demo of the game.
If you buy the game then there will be a code with it.
Once.
Yes, why would they not.
Battlefield Online happened in 2010.
offline it does. online, no
No
Battlefield Online was created on 2010-03-25.
You may be experiencing lag if your connection is slow, your connection cord is bad, or if your console does not meet the system requirements.
All the battlefield series are playable online.