There are many kinds of things you can do to earn bitcoin. You just need to search for something that is compatible for you, without investing to any company. I want to share my own opinion on how you can earn bitcoin without investments.
   
     You can earn bitcoin by joining to a bitcoin casino, where you can bet your eatned bitcoin and fight for it. It is more likely to games that you need to win tp earn bitcoin. Another one is what we called "Signature Campaign" in this activity, you just need to join to campaign or a bounty. Then they will provide the rules where you can follow it. Then if you finish the task you will earn bitcoin.

There are many ways to earn bitcoin without any investinf in bitcoin. Furthermore, I suggest to do mining but it takes time to wait and in mining you can assure that you could gain bitcoin. You can also earn bitcoin through joining in signature campaign in bitcoin forum and its very effective.

You can provide your services via the Internet if you have any skills and get for it bitcoins or other crypto currency, and then exchange for bitcoins. Now this is a good kind of earnings without investments.

Join in signature campaigns; these can be helpful to you and it is exactly what are you finding. You can also have translations; you can also earn here without investing. You can find companies or groups that are finding accounts that can handle signature campaigns and promote their project or product. Go to the Marketplace. Hoping this would be helpful.

You can earn bitcoin plenty of ways online, there are bitcoin faucets which pay you for doing little or no tasks, there are ptc sites that offer to payout with bitcoin also.

Since you are newbie i advice to you to continue posting in different topic to rank up your position. To earn bitcoin without any investment search and join in signature campaign. This is the only way to earn bitcoin without investment.

There is many methods to earn bitcoin without investment of money, but it requires investment of time. You can try the micro earning sites (faucets..), selling digital goods or services online, signature campaign..

You can join in a campaign, or maybe buy some of bitcoins then play gambling online, but ofcourse you don't have an assurance in gambling that you can win every time you win, maybe better to earn before you do anything else.

Yes, you can earn bitcoin without investment.But you have to keep patience.Because in this way it will take a month or 2/3 month to starting your earning BTC.You can join signature campaign to earn bitcoin, it is a best way to earn bitcoin without investment.I am also earn bitcoin by this way.You also may try gambling luck.Thank you.