Scriptures that say we have to repent of our sins to be saved:
Acts 20:21 I have declared to both Jews and Greeks that they must turn to God in repentance and have faith in our Lord Jesus.
Acts 26:20 First to those in Damascus, then to those in Jerusalem and in all Judea, and to the Gentiles also, I preached that they should repent and turn to God and prove their repentance by their deeds.
Acts 17:30 In the past God overlooked such ignorance, but now he commands all people everywhere to repent.
Acts 2:38 Peter replied, “Repent and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of your sins. And you will receive the gift of the Holy Spirit.
Matthew 4:17 From that time Jesus began to preach this message: “Repent, for the kingdom of heaven is near.”
Matthew 11:21 “Woe to you, Chorazin! Woe to you, Bethsaida! If the miracles done in you had been done in Tyre and Sidon, they would have repented long ago in sackcloth and ashes.
Matthew 12:41 The people of Nineveh will stand up at the judgment with this generation and condemn it, because they repented when Jonah preached to them—and now, something greater than Jonah is here!
Mark 4:12 so that although they look they may look but not see, and although they hear they may hear but not understand, so they may not repent and be forgiven.”
Luke 13:3 I tell you, no! But unless you repent, you too will all perish.
Acts 3:19 Therefore repent and turn back so that your sins may be wiped out,
Did you read Acts 3:19? If they are already saved then why are their sins not already wiped out?
Acts 17:30 Therefore, although God has overlooked such times of ignorance, he now commands all people everywhere to repent,