How can I know FOR SURE that I will go to Heaven when I die?

 
Will I go to heaven or hell? 
What does the Bible say about being saved? 
What is the salvation prayer and, how can I know FOR SURE that I will go to Heaven when I die? When it comes to Heaven or Hell, many have questions about what does the Bible say about being saved.
SOURCE: Got Questions Ministries - https://www.youtube.com/@gotquestions