hi,
it seem shoppica should add some modul for product label or promoton tags

example add Sale label to discount products , Add SOLD OUT label to out of stock product, etc

found this http://support.themeburn.com/topic/change-price-label-when-out-of-stock and http://support.themeburn.com/topic/how-do-i-remove-the-add-to-cart

but newbie like me dizzy to it, how to do that