Find a profitable niche. Starting with your interests, write down as many niche ideas as you can. Think about topics people might search online. Ideas include passions (like surfing or body building), fears (like spiders or speaking in front of crowds) and problems (like getting out of debt). Do keyword research to see it others are interested in the topic. Find out if a domain name is available that matches the keyword 100 percent. 
So, where are we supposed to turn to make money the legitimate way online? This isn't just about generating passive income; this is also about finding ways and means to create an active income through the conveniences afforded to us by the internet that will not only help us with our debt obligations, but also empower us to save, invest and get really rich in the future.
22. Advertising – This is definitely the most old-school way of earning money with a blog. It’s also starting to become the least common way. You can sell advertising spots directly on your site or you can sign up with a company like Google AdSense or Media.net. Either way, you won’t see a whole lot of money from ads until your views are well into the thousands each day.
Your Idea. It’s not enough to say that you’re going to offer an exercise classes. The people considering your classes will want to know exactly what they are going to get for their money, and it will be up to you to explain it concisely and effectively. Understand that you’re basically giving a sales pitch to potential attendees. You’ll have to really narrow down your topic.
In a sense, you lose some control of your product and your brand when you take on affiliates. They will promote in different ways that may not necessarily fit your brand’s image or values (though, don’t be too concerned about this; the data doesn’t bear out brands’ usual fears here). A blogger may feature your brand alongside four others. It may be hard to monitor and control what affiliates are doing at all times, especially for a larger program.
You can make really good commissions from the eBay partner but it depends on the products which you decide to promote. Interestingly the commission levels vary according to where you are in the world not just on the products you decide to promote. One of the great reasons to sign up is that you can earn DOUBLE commissions in your first three months. They offer free to use link generators, ad creatives and widgets for you to promote different eBay items. eBay has over 162 Million active buyers which means there is a great potential to convert your traffic.