Do immigrants have to pay taxes when they buy dividend insurance in the United States?

After getting the American green card (temporary and permanent), all income needs to be taxed, but personal assets before obtaining identity do not need to be taxed. For example, if you buy a house before you get an identity and rent a house after you get a green card, then you need to pay taxes on the rent.

Therefore, after obtaining the green card status, your financial income is taxable. (But you can avoid taxes reasonably, that's another story, consult the local tax manager, etc. ).