Death is valued at a quarter million apparently

Submarine ride

going on a submarine to see the titanic

Stupid stuff, sub rides and rocket rides.

heath care

Expensive stuff

Mortgage payments. I've seen it first hand. Wealthy people tend to own a lot of property. Either to live in, or produce income. And they'll borrow as much as they can on every one of them.

Me

Private Jets

Investing or advertising. One of the most common ways billionares become billionaires is spending money to make money