@Sir_Boops
It exists in a quantum superposition state of both in stock and out of stock but so far most of the times they've observed it and thus temporarily "fixed" it's state, it's been in stock
@Sir_Boops
"Oh sweet I purchased a five meter 4 gang extension lead and it dropped an ultra rare foil variant!"
@Sir_Boops
Honestly though how long before they start listing stock levels as "common, uncommon, rare, ultra rare, legendary, unique" like trading cards or mmo loot