Question

Which sentence from the Article best supports the idea that a mega event can become a "money pit?"

Well, experts say there's lots and lots of money to be made during these events.
Putting up lots of buildings that are never used again isn't a good use of money.
Hosting a mega event is like throwing a huge party.
Tourism often increases for years after the events.

Answer 1

"Putting up lots of buildings that are never used again isn't a good use of money."

This directly supports the idea of a mega event becoming a "money pit" by pointing to costly, unused infrastructure.