There's no chance of Greenland becoming a state. It will be a US Territory, which is a much better deal for them, anyway.

Undisciplined

Just saw this RealLifeLore video a couple hours ago, prior to seeing this SN post:

https://www.youtube.com/watch?v=x8j2uWw3WfU

And saw this Peter Zeihan video a couple weeks ago:

https://www.youtube.com/watch?v=At74k92vS10&t=342s

I already knew of a couple immediate benefits of U.S. getting Greenland as 51st state:

Offshore gas (and oil?) ... just sitting there,

But long term snagging Greenland is probably a bad idea:

https://www.heritage.org/global-politics/commentary/buy-greenland-and-you-may-get-more-you-bargained

https://en.wikipedia.org/wiki/Compact_of_Free_Association

Politics_And_Law

Should Greenland Become an American Colony?

Just saw this RealLifeLore video a couple hours ago, prior to seeing this SN post:
https://www.youtube.com/watch?v=x8j2uWw3WfU

And saw this Peter Zeihan video a couple weeks ago:
https://www.youtube.com/watch?v=At74k92vS10&t=342s

I already knew of a couple immediate benefits of U.S. getting Greenland as 51st state:
Offshore gas (and oil?) ... just sitting there, 
New channels for running fiber optic,
Extend continental shelf claims,
 - https://www.state.gov/continental-shelf/
 - https://geusbulletin.org/index.php/geusb/article/view/4786/10425
 - https://www.heritage.org/global-politics/report/the-us-should-issue-extended-continental-shelf-proclamation

But long term snagging Greenland is probably a bad idea:
https://www.heritage.org/global-politics/commentary/buy-greenland-and-you-may-get-more-you-bargained

This might be better:
https://en.wikipedia.org/wiki/Compact_of_Free_Association