No, it does not cost anything.
Well you can pay money for it but you get it free on most websites, the easiest download is on the Minecraft forums.
No. Demos for games do not cost money.
It does cost money. but you can download it illegally
Minecraft forge is a free program.
No they don't.
no
No
Well, you need the game 'minecraft' which does cost money. Pixelmon is just a mod for the game 'Minecraft'.
Minecraft accounts do not cost money, for they are free, but when you are upgrading your account to Premium is when you pay the money. When paying for the full, or premium, version of Minecraft, you pay a total of $26.95.
Custom maps in minecraft can usually be downloaded for free.
$26.95
They cost memory. No money though.