Is it possible to send bitcoins without paying a fee?
How many confirmations required to ensure a transaction is successful?
Is it possible to transfer without internet?
1.No, you are required to have fees so that miner can confirm your transaction. Probably the higher fee the faster the transaction can be. 0.001 is a good fee that for successful transaction less than 10 minutes or so. You can have lower fee but the longer it will take.
2.Depends on how much you trying to transact. Normally there 30 confirmations but if its low you can have 10 confirmations. Not sure about this though.
3.Nope. You need internet connection to make transaction. You can go offline after you sent the transaction then go online when you need to check it.
You are not correct. It is possible to send transactions with zero fees, only they are the last to get mined and usually won't, and will get stuck.