None. I mean I will not be disappointed as I know that Allah (God) is the only judge and the only One who can see our behaviors and what our hearts contain. I believe, as much as we do good on this Earth, yet we will not be able to thank Him for even one of the blessings He gave us. We can see, move, talk, hear, ... And if we're praising Him, it is thanks to all these blessings and much more.
Entering heaven or not depend on the deeds we did on Earth, secretly or in front of everyone. And even if I will be worshiping my God day and night all along my life, still I will need His mercy to enter heaven.
I hope that everyone enters heaven :)