I can see that you are new to blogging, if you want to earn blogging then I suggest focus more on having a great content first on your site, make your site users and google bots friendly that way your on your way in earning money online.
If you are new and want to have contents on your site which will take only a little effort then I suggest using CurationSoft, because it can help you get part of the articles from various resources and list them ALL in one post and be sure to add your own opinions/commentary when doing this. Matt Cutts himself says working from google that google ain't penalizing sites doing this.
First try to become great content writer if you want to become successful blogger. Without great content on your blog you can't earn single penny. You can earn via adsense and other ad platforms. Make sure your blog has at least 100 of quality post and good traffic before applying for adsense approval.
The earning from blogging is limited by methods you use in unlimited in ways to earn. You have to focus on the method you use to monetize your blog and improve it. If you earn from advertising, look for the highest paying for your kind of traffic, if you are making sponsored posts, rank your blog higher.
A blog generate money as it get traffic. Get your blog set up, write and try to get visits.
If you get good traffic to your site, then you may try monetize your site using Adsense. If you are not getting approval for adsense then you may use affiliate promotion using clickbank, commission junction etc.
You can make money from blogging in several ways. Not a complete list
Your own products
Squeeze page for emails to upsell them or swap lists
Commission Junction products
Regular affiliate products
the list can go on and on .....