alternative beverage which was mentioned has several locations across the Charlotte metro area - ebrew.com will take you to the site where you can look for locations that might be closer to you - also 201 central also carries supplies, these are the new Harris Teeter concepts specifically for wine and beer and they also carry products from alternative beverage http://www.201central.com/
Make the drive to the Belmont warehouse. It'll be worth the trip. I go there for all my brewing supplies and now I'm starting to think about wine making. Very knowledgable people there.