The settings may seem unfamiliar, as we did upgrade our shipping calculation settings a few months ago:
We have also revised our Shipping help page accordingly:
If you have more questions after reviewing the pages linked above, we'd be glad to advise you further. It would help if you could explain how you'd need your shipping charges to work, so we could give you more specific instructions tailored towards those results. Reading through your posts above, I couldn't quite get the "big picture" of what you actually want to accomplish?
The problem you experienced with settings being disabled or disappearing when you went back to the first shipping settings screen sounds like just a temporary glitch in your Admin panel. If it happens again, you should be able to resolve that by clicking on the Seller Admin link in the blue bar near the top, or just logout and then login again. It's also a good idea to make sure your Flash player plugin is up-to-date, since our Admin panels are built in Flash: