infogaby, just wanted to make sure you are NOT talking about commerce store right???
You are talking about listing in auctiva and putting on ebay, right?
If that is the case. I think you would just not import your listings from ebay to auctiva.
You just do the listing from scratch and submit it to ebay and end the other, or end in ebay and then list in auctiva.
If you import you are importing listings from ebay to auctiva and then could revise or polish them from there. Though I am like you, I wanted clean slate when i started.
Hope this makes sense and helps.
vickie
http://stores.ebay.com/VICKIES-VARIETY?_rdc=1