Trading is the best way to earn a steady income from bitcoin but another option is You can lend money to people then you can take interest from the loan.
To earn it is but a steady income, that's impossible, even the best traders in the world are not perfect in doing trading to get steady income.
It's a risky venture where you can also lose in the event you make a wrong decision, the best way to get a steady income is to have your
own business or getting a job to be safe.