With the advent of the Internet and e-commerce, it's now possible to be a complete hermit and still shop 'til you drop (your mouse, that is).

CNN: Best free stuff online: Catering to consumers

"Seahorses can be a little tricky and hermit crabs are always something of a 'guesstimate' as it's difficult to tell which shells are inhabited and which are vacant, " she added.

BBC: Newquay's Blue Reef Aquarium stock take is under way