When a promo slider is associated to an Item or Store, maybe we need it to auto-hide when the store is already closed. Marketing-wise, it would be nice to create a promo slider showcasing the featured items of a promoted store just below it on homepage, but there is a challenge of manually deactivating the slider when store is already closed.
I have seen a good conversion and increase on total sales of that store we experimented using this showcasing technique.