A link to your site would help.
I don't understand #1. What do you mean by 'starter' store name ?
#2 and #3 are answered in the Tutorials/FAQ section.
4. I use this:
http://www.zen-cart.com/index.php?ma...oducts_id=1646
5. Again, it's unclear what you're asking. You can add text to the appropriate template page to advise your visitors. If you're asking how to configure Zencart such that a shipping address isn't required, we'll need more information, like how you plan to ship your products. If they are downloads, search the Tutorials/FAQ area for
download.
6. See #5.