My husband owns a house which we are living in together, and still have a big mortgage.
If my husband adds me onto your deed for his house, is it treated as a gift and he or I have to pay gift tax?
If he die without adding me onto his deed, do I have to pay Estate tax?
If we get divorce without adding me onto his deed, do I need to give up the house even though I pay the mortgage with him? Or can I claim a half of the house?
My husband and I are US residents, but we don't have Green card or US citizenship.