You can make Money doing Affiliate Marketing on Your Blog.
You can make money with your blog by promoting affiliate links or banners on your blog. Affiliate marketing is simply promoting the products of other companies, and they will pay you a commission for each sale or lead you refer to them. Affiliate marketing is divided into two main models: CPS (cost-per-sale) and CPA (cost-per-action).

In CPS affiliate model, you will earn a commission whenever visitors you refer to the merchant’s website make a purchase. The affiliate commission ranges from $8 up to $120 or more. Some can be recurring commission like web hosting or membership affiliate commission sites.

In the case of CPA affiliate model, you will earn a commission whenever a visitor you refer to the merchant’s website performed a required action, like submitting his email address, completing a survey, or watching a video. The CPA commissions ranges from $0.50 up to $2.
If you are good in generating traffic, then the CPA model will work better for you, because the conversion rates are high since the visitors do not spend any money to take action. To create CPA account sign up at http://www.maxbounty.com/ is one of the best CPA site. Once your account is active, go through their market place and look for offers you could promote. Remember to promote the niche you are familiar with that will blend the content of your blog or website.

But if you are good in convincing people to buy, the CPS model might work better for you. You may not need much traffic here, all you need is a seller products and a brilliant copywriting.
Your choice of products can be digital products (e.g., eBooks, software, training programs, e.t.c.). You can join any of the following affiliate sites to promote digital products: http://www.clickbank.com, http://www.paydotcom.com, http://www.affiliateprograms.com,
http://www.associateprograms.com, http://www.affiliateguide.com, http://www.amazon.com,
If you want to promote physical goods, you can join at http://www.cj.com, http://shareasale.com/,