From your post itself, we can understand your experience and knowledge in digital marketing.
IM is consists of many topics like Creating tools, programming, design, affiliate, drop ship, cryptocurrency. You should find your interests. You can be a Writer, designer, marketers, social media business, affiliate business, etc..
Read the sticky threads all subforum (especially in making money sections) except the marketplace section. You will get sufficient knowledge to make a move on.
You can also use YouTube if you are a little bit lazy like me in studying.
If you are young, Better to find to 9-5 job. learn the basics of digital marketing & learn a few online money making methods try and if you get enough income to pay the bills means continue with it. The ratio of succuss people who make $$$ from online money making is very low. It will take some time to understand the whole concept of IM. You just need passion and Patience for making $$$$$.