Actually Balanced and Standardized Vendor Prices. (#12495)

code/game/objects/items/storage/boxes.dm

@@ -434,6 +434,7 @@
 	desc = "<B>Instructions:</B> <I>Heat in microwave. Product will cool if not eaten within seven minutes.</I>"
 	icon_state = "donkpocketbox"
 	illustration=null
+	custom_premium_price = PRICE_ABOVE_NORMAL // git gud
 
 /obj/item/storage/box/donkpockets/ComponentInitialize()
 	. = ..()
@@ -622,7 +623,7 @@
 	item_state = "zippo"
 	w_class = WEIGHT_CLASS_TINY
 	slot_flags = ITEM_SLOT_BELT
-	custom_price = 20
+	custom_price = PRICE_REALLY_CHEAP
 
 /obj/item/storage/box/matches/ComponentInitialize()
 	. = ..()
@@ -1343,6 +1344,7 @@
 	name = "box of marshmallows"
 	desc = "A box of marshmallows."
 	illustration = "marshmallow"
+	custom_premium_price = PRICE_BELOW_NORMAL
 
 /obj/item/storage/box/marshmallow/PopulateContents()
 	for (var/i in 1 to 5)