currently;

-we only have the PDS way

-or a mass excel upload way (which i think can stay but should be 'self-serviceable' like how our mass uploader is)

ideally;

-if we have a field in product uploading page, it should be link to the mass excel upload

-if sellers upload singularly, having a simple field (which we can also input disclaimer saying smth like, 'quantity input is an agreement that information is accurate in real time, system will automatically deduct quantities when there's a sale. failure to comply to accuracy of information might result in penalties'