One problem, and it is the shops own fault, is divers will go to the local fitting room for some hands on shopping and never give the store a real chance because they are certain no good will come of it. With the exception of the online guys who advertise they will price match, I've never seen an LDS give much indication they are willing to compete.
You hit the nail on the head on that one. If someone comes into my shop to try on a wetsuit or bc, I am GOING to make the sale. You MUST be competitive. Unfortunately, many dive stores just don't seem to understand this.
Phil Ellis