In our opinion, the easiest way to start an online business is hands-down promoting other people's products. Why? as mentioned above, you do not need to come up with an idea, create any products nor deal with customer service. Whether you're just looking for a way to earn some extra cash or you're starting your own online business, this might be the perfect option for you.
You can promote any kind of product as an affiliate, whether it's physical goods like clothing, jewelry, gadgets and more; or digital products like eBooks and music.
All you need to do to get started is pick a niche that you feel passionate about and choose products you want to promote that appeal within that niche. The more passionate you feel about the products, the more naturally you will promote them and the better results you will get. Think as if you were sharing a great film or a product you really like with a friend.
Also, people who are passionate about something will be more motivated to invest their time and effort into it. So if you can find something that you love doing, then affiliate marketing could be the easiest high paying job for you.
However, please note that making money online, whatever the business model you choose, may require to learn new skills (especially marketing-related) and be persistent while achieving your goals. There is no magic or shortcut to success. You need to be willing to put in the work until your system is built and ready to work for you. However, I can tell you the rewards are worth the effort. Remember you are working towards building your own dreams and not someone else's!