If you're serious about making money online, start a blog. Blogging is one of the easiest and most sustainable income sources. As long as the blog is setup the right way, in the right niche, with the right content targeted at the right audience, and the offer is complementary to the content, you could make a tremendous amount of passive income from a blog.
Merch by Amazon is another service offered by Amazon that will enable you to make money online without any initial outlay. To get started you need to create an account with Merch by Amazon. Then simply design some T-shirt logos or slogans, and upload them to your Merch account. You will need to choose a T-shirt type, color, and price, and Amazon will create product pages for each T-shirt. When someone makes a purchase, Amazon takes care of production and shipping. And you are paid a royalty for your design.
The peer-to-peer concept is coming to virtually every corner of human existence. That includes the hospitality industry. Through AirBnB you can actually rent out your house for various lengths of time for a predetermined fee. That gives you an extra income on your house and gives the visitor the benefit of having an entire house, rather than being crammed into a single hotel room.
I know that a lot of people get tricked by John so that is the main reason I am going to offer my way of doing things and no worries, it works. I will give everyone a test drive before to make sure they are happy with the way I do affiliate marketing and to b honest, any digital marketing. This is coming from someone who cares about people and I really have nothing to gain because I am already successful so there is no risk.
Etsy: While Etsy's popularity has declined recently, it's still a great resource for selling handmade items online. No need for complex ecommerce sites or merchant accounts or any sort of automation. The company takes a commission of every sale and charges a small listing fee per item. But many still use Etsy as their primary source of income. The best part is that you can also sell digital products on here such as poster designs.