Just take amazon as an example. In order to earn money from Amazon, you have to sign up as a partner with them. Once you have signed up, you will be given a unique affiliate link. You can promote this link by placing it in your own website, etc. When people clicks on that link, and purchase something, you make a commission from the successful sale. You do not need to handle the transaction nor are you selling stuff. You are connecting potential buyers to retailers.
Web Hosting Package - Having a website is necessary if you want to earn money online. Those who tell you that you don't need a site are either lying to you, or they are living in the past. Getting a website up and running (domain name and web host - see definition) requires extra cost (web hosting service typically cost $5 to $20 or more per month). As a premium member, you can host up to 20 domain names without paying an additional fee.
Pick an Interest. You must first choose a niche for your business. This could be anything from cars and electronics, to computers, clothing and food. It is best to select something that interests you and there are many highly profitable niches to choose from. But if you have no ideas on what you like and how to choose a niche Wealthy Affiliate will give you great ideas to pick any profitable niche which still has room to get in to.
In the long-term, it affects your versatility, functionality, and, of course, your brand. In the short term, it can certainly add/take away a lot of headaches. That said, just like choosing a physical house or office, there is no such thing as an absolute “best” or “top” choice. There’s only the right choice relative to your goals, experience, and circumstances.