Thousands of people around the world are looking into finding ways to make money online so they can leave their day job. If you’re one of them, make sure you don’t make the most common mistake by just jumping for the first “business opportunity” that you see — learn as much as you can. If you do, you’ll see that one of the most easy ways of building an income online is through affiliate marketing — selling someone else’s product.

Selling takes very little knowledge or skill, and doing it online can be even easier than knocking on doors or standing in a store wearing a suit and tie. When working online you will need some basic knowledge of marketing strategies, but all of that can be learned rather easily by looking around at a few websites and reading some articles.

The most basic way to start selling online is to go to a popular auction site such as eBay and start selling items that you find at local clearance sales, flea markets, yard sales, or thrift stores. Many people set up virtual stores and literally make extra cash while shopping in their spare time.

Of course, to make money online marketing another person’s stuff is probably not going to build you a 6-figure income. If your goal is to make real money online, you’ll need to find a method that actually earns more of an income than simply hawking eBay and Amazon products.

By writing fairly basic articles, you can craft websites around specific niche products that someone else owns — this is called affiliate marketing, or, as some call it, keyword marketing. Check out the link at the bottom of this article to learn more.

You can also take advantage of programs such as Google’s Adwords and Adsense. Literally any method of online advertising can be used, but you will be directing traffic to someone else’s website. Often, this is done by creating landing pages or blogs that will point targeted traffic in the direction of the actual seller for the product.

Making money online is difficult — that’s a fact. You can’t get rich quick or make easy money online. There’s no sure-fire way of getting either. You have to work hard, and work long.