Before you start in real account,  for the better learn it in demo account first,  and HITBTC exchange offer that.  And to trade in real account,  for the better use Binance exchange that has highest daily trading volume and other important thing they has stop loss feature to reduce the risk in every trade. 

I think everyone has their own amount of earned money, and it does not make sense to sound it. You can earn a lot of money by investing even small amounts in good projects. But now the bear market, not the best time you decided to start..

For example, I started with the bounty and AirDrop. Then a little began to understand the exchange .Started trading. Immediately nothing become everything become with experience.The main thing you need is a desire and time commitment.

i think that won't work, because he didn't post anything in bounty thread!

so you can do this!

If you know the bounty name, simply you can search on google " name + bounty ", then click result link show bounty thread on bitcointalk.org

The best way to earn crypto is to invest your money either in trading,or holding for a long term or even in ICO. IF you want to earn crypto free through bounties, then you need to get into the right program that might pay at the end . Since your rank is too low to get into a signature campaign, you can start with social media or article writing first.