it cost about $5,000
== == 18,180
A lot of money
Around 3-4 million. It depends where you build it and with what.
Depending on what you want to build. A indoor basketball court or outdoor court. (indoor)$100,000 or less (outdoor)$20,000 or less.
Around freezing. Indoor hockey and skating arenas usually don't heat the air that much, to avoid "wetting" the ice.
You can lease a building appropriate for skating for about $10,000/month.
According to NJ.com the Red Bulls Arena in Harrison NJ cost $150M. It opened last year
Indoor skydiving is currently not available.