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.
Yeah trading can not help us to have a steady income because this is an unpredictable job, it has certain risks and so we can not earn a steady income from it. Money lending is also risky and I really think the job that can help us have a steady income is we should work for a company or as you say we must have our own business. We can also participate in long-term signature campaigns, it will help us to have a steady source of income every week although not too high but it is very safe