"Keep going with this thought. What is it that gets you into heaven?"
According to which religion? Christianity believes that believe in Jesus as the savior does it. Other religions have different paths to similar afterlife situations. Some religions don't have any sort of Heaven. Christianity is the religion of less than 1/3 of the world's population, so 2/3 doesn't believe that Jesus offers any salvation.
Religion is a complex issue, and specifics are required if it's to be discussed, as we can see by this thread. Some Christians don't believe that other Christians are really Christian, it seems.
Me, I don't profess any religion at all, so it's clear that I don't believe in any sort of afterlife. Heaven is irrelevant to me, generally, as is reincarnation, nirvana, or any of the other concepts.
For me, this life is the only one I get, so I need to make it count. When I lie on my deathbed, I want to be able to look back on my life and know that I did the best I could to live it morally. So far, I'm doing OK, with just a few moral transgressions, for which I have tried to make recompense to those I may have injured in some way.
I keep working on it. Someday, I will have to face my life, and want that day to be a good one.