Please signup for this petition and spread this to your friend. Due to mtgox problem already many bitcoiners are affected. If usa bans means there is less feature for bitcoin. SO people act now.
Many people don't calculate, they fall for overpriced trap. There are many online calculators you easily calculate your profit/loss . When i first heard the cex.io i am tempted to purchase from there.
welcome to bitcointalk. yes like all newbies you cannot able to mine bitcoin.It is best to mine the scyrpt coins and convert to bitcoin. Or directly purchase bitcoin.