Running affiliate marketing business is one way to earn passive income. The business can be run everywhere and anytime. There are many types of affiliate business that you can run on the internet such as PPS (pay per sales), PPL (pay per lead), and PPA (pay per action). To get earning from the PPS you should sales the goods as much as possible. Your income depends on the number of products you sell. There are many popular PPS site you can join such as Amazon, Click Bank, pay dot com and more. The income in the PPL is depending on the number of people you can invite to join in PPL site. To get income from the PPA site, you should refer other people to do certain job or action such as downloading any software, filling out the surveys and more. The more people you refer the more you earn.
To start affiliate marketing business, there are a number of important steps that you need to do. The following are some steps that must be done to start an affiliate business:

Conduct market research
Market research is the first step you should do. Through market research you can find complete information about trend of the product demand, number of competitors and market niches. Conduct market research can enrich your ideas in developing your online business. It also will allow you to make proper planning.
The idea to do market research can be obtained from the internet, observation, reading newspaper, magazine, through television and radio. Market research through internet is very easy to do. Through the internet you can get all information you need. To conduct market research via the internet, you can use a free tool such as Google search, Google ad word keyword tool, Google trends, Google insight and others.

Create a website or blog
Website or blog is a tool that can be used for the free promotion and make sales. To create a blog or website you need a domain and hosting. These can be obtained for free and paid. Create a website on a paid hosting will make your site look more professional.
To make free blog you can use blogger is owned by Google. The first thing to do is create Gmail account. Furthermore, you can create a blog with domain in accordance with your business.
The paid domain and hosting, you can get at hosting company. Choose a hosting company that suits your needs. Before hiring a hosting company, you can read some reviews about the hosting company and compare them. By comparing several hosting company will allow you to get a quality hosting to support your affiliate marketing business.
After creating a blog, you can put banners and affiliate links on your sites. This will facilitate the promotions.

Select the products
Choosing a product is one of the crucial factors in the affiliate marketing. After conduct market research you can find out what type of products can bring big profits in accordance with your niche. Some parameters that could be a consideration in choosing a product include the price, commission percentage, demand trends, popularity, and products rating.
Choosing a product with high price allows you to earn huge commissions. But you also need to be careful. Expensive product is usually hard to sell. Conversely the cheaper product is easy to sell.
Seasonality, popularity and product rating is also the factors that you should consider. The demand for certain product will rise in certain seasons. For example, in December the demand for products related to Christmas will increase.

Promote the products
There are many ways to promote the product both free and paid. Free promotion can be done by creating various products review. You can publish the product reviews on blogs, forums and in a number of directories. Free promotion can also be done through social media. By active in various in social media, you can encourage more visitors to your site. To maximize the campaign, you can use your domain as user name on various social media sites.
Affiliate marketing business can be done by everyone. This business can be used as passive income to save your time and effort. By growing the business, you will have plenty of free time to do other positive things.