It appears that he is a stingy businessman.
“Capiche” means “understand”. The correct spelling in Italian is capisce, from the verb capire (“to understand”). This particular form means “you understand” (formal), and of course it would be used in a question: Capisce? — “Do you understand?”
Also this directly contradicts him giving away dubs for free to his friends as mentioned in the first verse. This sort of contradiction keeps the listener guessing and is typical of DOOM.