Doing Nothing
You can earn bitcoins doing nothing. Just sign up and many Bitcoin, Dogecoin, Litecoin etc will be add to your Wallet. For Sign up and doing nothing but earn Bitcoin etc go to here.
These are websites called faucets that give you bitcoins. Of course, these are only small amounts to get you started with the currency, but who could complain when you’re getting bitcoins for doing nothing! There are tons of bitcoin faucets out there. You can get free bitcoins from most of these websites multiple times a day. Here is a list of bitcoin faucets available and links to their websites:
Freebitcoin (A personal favorite)
Freedogecoin
777Bitcoin

Bitcoin Faucets that to collect transactions:
 BitCoinker
 Pizza Faucet
 Coin Giveaway
 Scratch Satoshi
 Daily frebits
 Bithunter
 Daily Bitcoin
 Bitcoin Zebra
 BitPtc
 Lots of bitcoins
 Pink Tussy
 Get Free Bitcoin
 Get Bitcoin Free
 Best Bitcoin Faucet
 Get bitcoin Free
 Bitcoin Faucet
 Bitcoin Poster
 Money in pjs
 Free Stellars
 Land of Bitcoin
 Free Bitcoinz
 Moon Bit
 Coin Checkin
 Bit Billions
 Instant Bitcoin
 Freecoins
 8coin
 Bbitcoin
 Bitcoin Faucetme
 Bitcurl
 Btcalot
 Btcrew
 Coin Pearl
 Earn BTC
 Earn Free Bitcoins
 Free Bitcoin fast
 Free Bitcoin mobi
 Free Bitcoinws
 Freecoinbit
 Get Bitcoins Quick
 Rain Coins
 Smurf Coin
Earn Bitcoin from Forum : Lets Talk Bitcoin
Earn Bitcoin from Social Media : Bit Landers
Believe it or not, there are still more bitcoin faucets available. Depending on how much time you have on your hands, you can accumulate a few bitcoins using this method. It just takes time.