Friendly speaking, it's depend on your interest. Making money online is not an tricky task but it requires consistency and struggle like other physical jobs. Yes, it is true, you are your own boss but nothing is possible without struggle. At this time, best ways of make money online on internet are listed below, check it out your category then let me know what we can suggest you in your target category.
Freelancer (Someone will hire you online, depends on your expertise)
Entrepreneurship (Sale you service online like eCommerce, web hosting service, email marketing service)
Blogging (Write an articles/tutorials and make money online)
Affiliate Marketing (Promote another person/company product and get particular commission on it)