Yes.
Jesus criticized the Pharisees for encouraging people to give money to God instead of using it to help their parents. So according to Jesus, giving to your parents is more important than giving to God.
Paul agreed, at least in the case of widows: He said if you’re a Christian with a widowed mother, you should take care of her yourself, so she won’t be a needless burden on the rest of the church.
No.
Paul also says children should not have to save up for their parents. Parents should have to save up for their children, but never the other way around.