Oy, a classic but always relevant bug, submitted by Mithrand. When will we
wizards ever learn??
In the secladin village, there is a store that sells oranges, aples and alike,
and also identical store with meat products.
It is not a normal 'generic' store, but a code of its own.
The bug allowed one to buy a minus amounts of apples, infinite number, so it
basically was infinite money bug.