1. Write a Blog
Blog writing as become an increasingly popular method of making money online. You do not need to invest any money and you can begin right away. You can use Google or Yahoo keyword tools to see what people are searching for and then make your blog mostly about this. Once you decide what you want to write about you can go ahead and monetize your blog. You can use Google ad sense or you can just add ads to it yourself.
2. Affiliate marketing
If you have prior experience in marketing this may be a good avenue for you. The better your marketing skills the better your chances of making money online and making a good amount too.
3. Selling goods or services
If you have goods that you can sell online you don't have to open a store or create your own website. You can sell through sites such as eBay or craigslist. These methods are easy because there are no start substantial costs really and eBay provides the option where you only pay if your item is sold.
You can also sell your services. You can do this by joining a freelance website, so if you are good at article writing and submission or you know web design or anything else that you do professionally, there are people out there that are looking for you and you don't even know it. You may even find a full time job that you can do from the comfort of your own home.
4. Filling out surveys
There are a lot of websites that offer paid surveys, joining more than one of them can result in a good amount on income. If you are disciplined enough to spend the time filling out the forms, (some of them can be as long as 40 minutes) you can reap a real reward. There are sites that require you to pay but there are an equal amount of free survey sites that you can use for making money online.
These are just a few of the ways that you can make money online; remember that combining them will give you the chance to increase your potential earnings. It may seem difficult at first but as you go through the initial phases of each you will start reaping good results.