Now that you have taken a look and thought about what you need to do in order to setup an online business; you need to start planning everything.
Let us start with what you are going to offer.
You could start off with a simple affiliate scheme, a resellers panel or some other commision based store.
If you have something to offer, I.e, if you are a Maidstone based Accountant then you can offer Accounting services for some nice prices.
If you want to sell website hosting then you could become a free reseller.
You could also setup your own clothes store.
There are many other ways to earn money online.
One of the most popular ways to do it would be for you to setup a Google Adsense account and earn revenue through your website.
You could be creative and think of something original.