Unfortunately most people don’t think about earning extra money online until they are in a tight money position, but this is exactly the time when earning extra online is hardest. Ideally you would be able to put a bit of money towards your earning potential at the beginning, however you can earn a bit of money online without putting any money in at all. It will take much longer and the earnings will generally be lower, but you can make a start for free and gradually re-invest what you have earned to create more earnings in your future.
You will want to start by getting a ‘base of operations’. This will be a place to send internet traffic to sell to or get traffic to sign up to a certain program. Again if you have some spare money to put in I would highly recommend creating a website using your a hosting company and buying an unique URL. this will generally give you a better yield in traffic, but if you do not have any extra money to put into venture there are free options. Including wordpress, hubpages, neocities or even a Facebook page. Do some research there are plenty of website that will allow you make a free site on their domain. The last thing you should do, if you have a need of money, is to spend what you do have on magic bean get rich quick ventures. That money is better spent on daily needs. If you want to make some extra money then invest time, not money.