What is the most expensive exotic pet to own?

Inquiring minds want to know: What is the most extravagant and costly exotic pet to acquire and maintain? The question begs for an answer that delves into the rarity, upkeep costs, and potential market value of such an animal. Are we referring to the meticulous care of a white tiger cub or the vast space required for a petting zoo's worth of rare primates? Or perhaps, the luxurious lifestyle of a pampered exotic bird with its specialized diet and elaborate cage? The question begs for specifics, not just a generic answer, but a detailed breakdown of the financial and emotional investment required for the privilege of owning such a luxurious and potentially demanding companion.