How can I improve my earning and reduce the risk of getting scamed?
To improve your earnings you will need to find a job for bitcoin, on the service section of the forum maybe you can search something:
https://bitcointalk.org/index.php?board=52.0Now, to reduce the risk of getting scammed then you should do some good security practices:
1.-Don't use Windows, use linux or mac
2.-Never use the same password for anything
3.-Be careful about who you trust online
4.-If a deal looks tricky then run to the opposite direction
5.-Do it yourself, don't let other users open accounts for you or do thing under your name
6.-If you will join to an ICO, read the white paper and about the team, lets remember 90% of icos end in scam.
And the list could keep going, but most of the point are common sense, so, just be careful.