Britain was once described as a nation of shopkeepers, and this is now more true than ever, albeit we are more of the virtual kind. As the High Street as we know it continues to wither and die, a whole raft of virtual entrepreneurs have found that they can sell online, whether it be used and preloved items on eBay, their own designs and creations on Etsy, a spin off to a popular blog with an online store, or actually focusing on setting up and creating an online business. But where, in a regular physical store, you can stop some of the worrying once the item is sold, with an…