友,准备移民美国。
问题1. 能带大概多少钱出国?
-No limit, but you need to report it in the Customs Declaration Form if it is more than $10,000.
问题2. 移民来美后,多久才能拿到绿卡?
-About one month.
问题3.拿到绿卡后,每年必须呆在美国多久?
-Permanently. If you travel, don't stay outside US for > 6 months though it is fine for > 6 months > 1 year occasionally. By the way, you cannot travel too often abroad.
是否要申请回美证?
-Yes if you stay outside US for > one year < two year.