[TomGuy]

It was called 'being uninsured' and if the Supreme Court rules against Obamacare then a lot of people will go back to that old system.

If

[big IF] the SC did throw out Obamacare, insurance companies would have policies available as fast as the state insurance commissions approved them.

[DoodleDawg]

If
[big IF] the SC did throw out Obamacare, insurance companies would have policies available as fast as the state insurance commissions approved them.

The bigger "if" is insurance companies offering the new policies again. And people being able to afford them if they do.