you can earn bitcoin by participating signature campaign, social media campaign, and you can use your skills too by working as a freelancer. you can do online jobs and accept bitcoin as your payment. be creative and resourceful if you really want that bad to earn bitcoin. but if i were you i will use my money to buy an forum account and join signature campaign thats the fastest way of earning bitcoin and low cost investment.
Thats what i have been doing. Im participating in bitcoin campaign and im joining social campaign sometimes too. It is good that we have been joining signature campaigns because we can get money from it and we can have a coin for our investment. Sig camp is the solution for no investment question.