Sometimes. If the minute of the day is divisible by 2 (e.g. if it's 5:02 PM), then the option for PayPal payment is enabled. If the minute of the day is odd (e.g. if it's 5:01 PM), then you can only pay by credit card.
since its through pay pal it should be instant just check you can log into before you exit the conformation page and take account of your transaction id in case something goes wrong
No
NO! Never.
Yes you do.
no
yes
You have to pay with either a pay pal account or another online payment.
Paypal will directly withdraw from bank accounts.
You need to make an account and then pay for Minecraft and download it.
A Minecraft account is 100% free. But buying the full version costs 28.95.
It is free to make an account on the Minecraft website, but you have to pay to play the game.
Yes.