I forgot about EB2 NIW (which again, I understand isn't open to all, due to the NIW requirement).
But unlike what the top level commenter wrote, the option for an H1B holder to become a permanent resident by their own action, rather then by their employer benevolence, is limited to very few (the green card lottery and the above mentioned narrow self-petition categories), and isn't a thing you can just do after a certain length of stay in the US.
But unlike what the top level commenter wrote, the option for an H1B holder to become a permanent resident by their own action, rather then by their employer benevolence, is limited to very few (the green card lottery and the above mentioned narrow self-petition categories), and isn't a thing you can just do after a certain length of stay in the US.