The best place to buy bitcoin is at Coinbase - http://bit.ly/2GoJ1m1
Mining - You make less money with this method but works.
CryptoTab Browser - http://bit.ly/2OjsfHX
CryptoTab Browser is a white label Chromium browser that mine bitcoin in the background.
NiceHash - http://gigapeta.com/dl/8301768a66e8ab
NiceHash is a dedicated miner for Windows to mine bitcoin.
Casino - Claim satoshis and play all type of games to increase your earnings.
Freebitcoin - http://bit.ly/2NysYYs
Claiming - Claiming satoshis in exchange for viewing ads and hiting the claim button.
BitFun - http://bit.ly/2zmAvPM
Bonus Bitcoin - http://bit.ly/2iOnDvK
Moon Bitcoin - http://bit.ly/2i4YPTa
Clicking - Make bitcoins by viewing ads
BTCClicks - http://bit.ly/2DJbind