Dont buy cryptocurrency. Mine them FREE, with your Home PC, while you sleep!
mine Ethereum(ETH) for max profits! then u can trade for Bitcoins(BTC) or sell for $USD.
join @ http://MINERGATE.BITCOINS-FREE.COM
download one app, user friendly, no coding needed. 
i recommend mining Monero(XMR) using your CPU, and mine Ethereum(ETH) using your GPU!!