It can be spent on frivolous things. Large bills can be exchanged for smaller ones, making it seem like more than it really is worth. New bills make a great sound when held by the edges and snapped quickly.
Money is accepted worldwide.
Tom Jones would play my New Years Party. I'd keep enough on hand to roll in. I'd own all the Howlin' Wolf recordings every made. They'd know me at the Coach Store. Plenty of taxis.