1)Earn Bitcoins by accepting them as a means of payment
2)completing tasks on websites
3)interest payments
4) mining
5)getting tipped
6)trading
7)Earn Bitcoins as a regular income
8)Gambling - not suitable for everyone
Those were the common form of bitcoin earning which needs skills. Among them a few doesn't need much skills but more Time is required so to earn good such as captcha solving and micro earnings. In short bitcoin earning is possible from small scratch of sign ups to large scale trading.2)completing tasks on websites
3)interest payments
4) mining
5)getting tipped
6)trading
7)Earn Bitcoins as a regular income
8)Gambling - not suitable for everyone