Yes you would think so.
No! They cost $21.18!
If you own Minecraft on that account then YES!
you can just play single player. you dont need an account to play offline
Anyone can make an account at the Minecraft.net website.
You don't connect it to Minecraft, you connect it to Game Center in order to get your account. Regardless of having an account or not, you can then use the seed codes provided in the app and use them in Minecraft to generate the worlds of your choice.
no
You cant! Mineshaft is just another scam. If you use your minecraft info on mineshafter, IT WILL GET STOLEN!
Clear all the Minecraft folders on your computer and don't use the same Minecraft name :D
I am pretty sure.
No, you have to use your gamertag.
You should only use your own.