Well this one's pretty trivial. You're probably thinking "We already know about Amazon and Ebay and all those other online carboot sale- type websites".

But, have you ever thought about making your own original products and making your own online store to sell them in?

Cafepress allows you to do just that! All you have to do is set up your own store, make your products (anything from t-shirt printing to mugs) and then sell them within it! People are also willing to pay very reasonable prices for the right type of product.