10 things people buy when they have more money than they'd ever need

• The world's ultra-wealthy spend money on things that most people can't even fathom buying.
• One tech billionaire bought his own Hawaiian island, and a hedge fund manager spent at least $8 million on a 14-foot preserved shark.
• From private islands to dinosaur fossils and tickets to outer space, here are 10 things you'd only buy if you had more money than you'd ever need.

When you have more money than you know what to do with, it might not seem like a big deal to spend $8 million on a preserved shark, $2.2 million on a gold bathtub, or millions more on luxurious superyachts and private islands.

Business Insider previously calculated that the typical billionaire can afford to spend $80 million a year.

Here are 10 outrageously expensive things millionaires and billionaires spend their money on.

SEE ALSO: This $446 million mansion in Hong Kong could break the record as the most expensive home ever sold in the world's most expensive housing market — and it's surprisingly modest

1. Tickets to outer space

Celebrities Ashton Kutcher and Katy Perry are among those who have reportedly bought tickets for a space tour aboard Richard Branson's Virgin Galactic spacecraft.

Source: Business Insider

Kutcher put down a $20,000 deposit for his $200,000 ticket in 2012.

Source: Business Insider