the first step you'd wanna do is signup to affiliate network such as cj.com or clickbank.com. then look thru them which product you wanna sell.
It really depends on what you are looking to get and how you want to go about it. There is a large collection of affiliate programs on the net that cater to niche's such as movies or gaming sites. You should try to find one that fits your site. SEO is good if you are looking for high placement in search engine rankings. Link trading might be the way to go about this.
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sign up few affiliate networks and then promote products from there using you tracking url. When a sale or lead occurs through your tracking url you will get paid. You can use ppc, ppv, article submition, seo and may other.
Affiliate Marketing is a combined partnership connecting merchants and affiliates which runs on a commission basis, for which you should have your own website. When somebody buys something on a website, the affiliate is given a commission of the profit based on per click, per lead or per sale.
Through affiliate marketing ,you can place banners on your site or blog and if any sale made through your effort you will get commission.many affiliate program offers good commission upto 75% as we are offering.you just have to work hard and can gain good money.
Placing banners on your site after registration in different networks and if your site has a good traffic then you can earn a good money.