there are many ways you can calculate shipping, based on weight, on a per item basis, on a multiple of the number of items, you will need to decide on the one that is best for you.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.