If you blog is getting traffic then you can earn money from it . Use affiliate program , Create adsese account and other to display ads to your blog
Make your blog with unique, informative and interesting with niche related posts to have maximum traffic. Then you can use affiliate, banners and ad by any network to make big money via your blog. Keep in mind that it seems simple but it is not so. You have to work very hard to get maximum traffic for your blog.
There are many sources to earn handsome amount of Money Through Blogging... The Only thing you have to do is drive traffic organically towards your Blog.. The ways of earning money through blogs are: Google Adsence, Affiliate Marketing, Info Links, Pay per Post, Buysellads..
If your blog have more traffic or visitors than you can earn money by doing these options on your blog : 1.Apply for google Adsense 2.Banner space selling 3.Link Selling 4.Affliate etc...
Get more traffic.. Use CPM, CPC advertising.. like adsense, ValueClickMedia, Tribal fusion,etc I don't recommend buying / selling links for the SEO purpose. It will hurt your SEO ranking later.
Google Adsense is the primary choice. If you can popular your blog through the useful content & lot of traffic, the advertiser will come directly.
More or less, either selling adspace (In terms of banners, or using the adspace to promote adsense) or though some affiliate income (Affiliate marketing/CPA marketing), some bloggers earn a bit of cash selling links on their blogs as well.
Adsense or affiliate marketing ( selling related products to what your blog is about ). Also you can promote your own business: like the ebook written by you.
Sign up for different affiliate programs and then paste the affiliate banners on your blog and their affiliate links in the articles you post.
Many people try and use Google Adsense and Affiliate marketing. Those are the ones you should keep your eye on, for now.