Loads of wonga.
Depends what the cards are. Some are worth a lot, some are almost worthless.
40-60 but go for 40
In my flea market $1-$3
i think about 9 billion dollars
I beg you to quit on your alien deck. I had one and it failed so much
Usually they will all be rubbish. A rubbish card is worth 10p so £180(if anyone wants them)
Less than the box you would send them in.
It's about $40-50 according to YugiCo.com. http://yugico.com/yugioh-cards/booster-packs/PTDN-Phantom_Darkness/PTDN-EN081-Darklord_Zerato/
its free to make an account
My opinion is that people were giving out because yugioh sacred cards was just too easy so they wanted to show us what happens when gamers complain.
Of course they are, think of them as the modern replacement for a floppy disk but with no moving parts and much greater capacity!
No, I'm actually not. It depends on the cards. Some holos are only worth 1-2 dollars, while others have climbed well over 70-80.