Actually I like having a unified store...helps provide competition between the marketplace and amazon's own.
Anyway, if you want to avoid marketplace, in the left column, under "Seller", check the box next to "Amazon". (Maybe they could provide this as a permanent setting via preferences.)
Anyway, if you want to avoid marketplace, in the left column, under "Seller", check the box next to "Amazon". (Maybe they could provide this as a permanent setting via preferences.)