welcome to you  ,,, yes you can earn bitcoins and you can lost your money too..
in case you going to sell something , use escrow .

read this information ,its important to new user know that.


 this scammer using multiple account.

https://bitcointalk.org/index.php?topic=1713882.0

https://bitcointalk.org/index.php?topic=1724554.0

https://bitcointalk.org/index.php?topic=713699.0

his new account  https://bitcointalk.org/index.php?action=profile;u=177134