Build Recurring Passive Income from Scratch

While with search advertising, you’re paying to show up in the top spot for relevant searches, with social media advertising you are paying to show up in relevant feeds. With both forms of advertising, you can specify the type of audience in front of which you’d like to appear, but with more psychographic data, social media offers superb targeting.
23. Affiliates – There are many affiliate networks, such as FlexOffers and CJ Affiliate that allow you to promote other people’s products and services. You simply put a link or a banner on your page and then you get a percentage if someone clicks through and buys the product/service. You’ll want to select products that are specifically within your blog’s category.This is an effective way to earn money once you have the traffic coming to your blog.

The topic you choose must have enough depth that you can create a lot of content for it. This is important for building an authoritative site, for search engine optimization, and most importantly, for the end user. If you don't have enough content about a topic, you're not going to be taken very seriously as an authority on the topic and it's unlikely you can convince someone to make a purchase from you.