for the price match, only do local stores. If you do internet they can always drag you down. To get the price match they must have a fliar or reciept to prove the price is indeed cheaper. But for your sake only do it on equipment, ***** has really cheap prices on Alot of fish (in example the clown gobies are only $7). Have the store devided into six parts. Fresh water, cichlid, brackish, saltwater fish, coral/live rock/ inverts, pond, and dry. and if you know what your doing then add copper to the fish only section of both salt and fresh. It helps cut down illness. Another thing i suggest is cycle your tank with a little bit of copper, not a full dose but just enough to allow it to cut down diseases.. Dont go over bord with display tanks. They are nice but it draws to much attention from what your selling. Have one main saltwater one and one main freshwater one. You can have a few little set ups that have it all and sell them as a whole. In the fresh water section have a plant section. Dont use plant in your fish tanks (the ones holding the fish for sale) This will make it harder to keep clean. HAVE A GENERATOR, after a storm one of my lfs lost half their inventory due to no power. Advertise before you open in the towns around your store. Open on a friday so you can have an opening weekend. Call in all your friends who know the hobby to start then start to ween onto new staff as it becomes available. Start small and work your way up. Keeping new fish in the back for 2 weeks might be good in the hobby but not for the store. Put the hardy things out on the floor right away and let the less hardy sit in back for no more then a week. I know you dont want to have to worry about another chemical in your tanks but adding copper will save you money. Allow people to sign up for a mailing list and send out the list of fish you get in to them. Use brine shrimp and cheaper foods. The fish are only there till sold so as long as they are fed they dont really need all the nutrience.
I know it sounds like i dont know what im talking about but these are all thing i do or that other stores do to save money and sell fish.