With the Internet today, that provides various of information pertaining to all sorts of fields, nothing is impossible.
If you want to have a steady income passively, i suggest go for Youtube channel/Adsense strategy. You can earn by advertising, uploading unique and personal videos that contains content that you think would go viral across the world wide web. Gather and establish your typical market of group of subscribers inclined to your videos of interest. After that enable the Monetization feature of you account. Link you account to adsense.
Continually upload more videos as time goes on, make some videos that grabs the interest of the majority of you subscribers or invite more subscribers. I'd probably say in a span of 4 - 5 months of exerting you skills and efforts, everything will payoff.
Many Vbloggers had quited their occupations, and pursued with their hobbies and interest on capturing videos which relate to their desire and passion, and they are gaining profit from it at the same time. Momentarily your youtube channel's profitability increases as the numbers subscribers increase as well depending on your target audience.
I would say.. having this field and investing time and your skills through it. You will have a steady income in the future while also enjoying the luxury of your time, being the boss of you own, and most of all, obtaining the popularity you never expected. You'll be famous on short notice.