If you are looking for a steady income in bitcoins then you are at a wrong place as bitcoins will never give you steady and stable income due to its price volatility and if you are looking for steady income then better to find a full time job that will pay you in fiat currency.
Why are you saying that bitcoin will never give you a stable income? if you have a business related to bitcoin it depends on how you are going to manage your business. But let's say that there's no steady income in bitcoin but the advantage of having a lot of source of income will give you a better way of earning instead.