The best way to make money with bitcoin in 2017 without investment is signature campaigns. Even with tons of hates by other users, we can't deny the fact that signature campaigns pay actually pretty well. If you're doing signature campaign, then you are already better than most bitcoin users because some are just doing rev share, MLM, networking, faucets, solving captchas, etc. Not only these money making method are a waste of time, but you are also deceiving other people because you got deceived by another person.
In case that you have some bitcoins in you and you are willing to risk them, then I suggest that you try trading. Trading requires time and practice but so does everything else. I think that trading is a skill. True, luck is needed but if you know the coin, you can project that it will pump in the future and so you're going to invest in it. Just think about the early traders of bitcoin. They invested and held bitcoin for a long time because they knew that it's a solid technology.
Signature campaigns are one of the best option to make money in the bitcoins and those who are talking false about it are just because they were victimized by some scammers and that makes a perception in their mind that this is all fake and thats it but thats not true every campaigns owner is not a scammer so work for the true one and earn a lot.
Now in 2017 the best way to make money with bitcoin is in three things, the first thing which is really important is signature campaign because in bitcoin world signature campaign give a lot of money to its user and also those people who invest in bitxcoin are also very happy and having goofd life which is due to only bitcoin.