||Figure out how much you are looking to make before you begin. For example, I don't want to work for less than $15 per hour, otherwise spending time with my family or completing chores would be more worthwhile to me. What is your worth? Once you determine it, stick to your guns!
Never pay money to obtain work online. Legitimate work online should pay you, not the other way around. If a service is charging you to provide you with work opportunities, chances are they are just playing middleman and providing links that are available for free if you know where to look.
Write a good E-book that you can sell over the Internet. This is an easy way to use your expertise to make money. Recipes are a great place for you to start with your E-book.
Check out the reviews before you hang your shingle at any one site. For example, working for Google as a search result verifier is a legit way to make some extra cash. Google is a huge company and they have a reputation to uphold, so you can trust them.