Hi Fiona, although many members share great information about printing here in the forums, you may find that local businesses are more reluctant to allow a potential competitor to visit their shop and pick their brains on how to take business from them
I could be wrong, but I just wanted to give you an idea of what to expect.
You can find lots of help on setting up a shop here in the forums, but when you start going to local places asking for business tips, it "hits a bit closer to home".