A woman shops in the frozen foods section of a supermarket. Smederevac/iStock via Getty Images A moment in this world is all it takes to know that it is very uncertain. In this world and this life, there are few guarantees. Some of the more well-known guarantees in life include death and taxes. Regardless of the times, change is another constant. That covers all that I can think of off the top of my head. Please let me know if you can think of any other guarantees. But beyond those, we then get into factors ...