Whenever I go into Transair at Fairoaks, I'm almost always the only person (apart from the cashier) in there! There may be a clue in these headlines ..
Online shopping to soar as high street slumps
UK shoppers spend £145m a day online .. as shoppers increasingly turned away from the high street
Retailers suffer as high street sales plummet
I think I'd rather set up an internet business (most of your customer base is web savvy unlike some other sectors) but I would concentrate on breaking the price fixing scandal that seems to be practised by suppliers of Icom/Garmin etc as many people often select a supplier based on price alone.