An green card holder is a permanent resident. I think they will keep renewing you unless for example you didn't file taxes or committed a serious crime or thing

An green card holder is a permanent resident. I think they will keep renewing you unless for example you didn't file taxes or committed a serious crime or things like that. https://www.stilt.com/blog/2020/05/green-card-renewal-denied/ https://www.stilt.com/blog/2020/05/green-card-renewal-denied... Also green card holder cannot live outside the US too long or they may revoke it. You can pre-apply for a reentry permit to get a longer window. https://www.stilt.com/blog/2020/07/can-i-stay-more-than-6-months-outside-the-u-s-with-a-green-card/ https://www.stilt.com/blog/2020/07/can-i-stay-more-than-6-mo... Citizenship removes all those restrictions. Also you can petition for your parents to immigrate immediately.