The Parable of the Dishonest Manager (Luke 16:1-13)

In the parable of the dishonest manager found in Luke 16:1-13, we learn a few lessons such as needing to be shrewd. Some think Scripture is teaching us to be dishonest? Is that true? Beyond the obvious, what else is it that the Messiah is trying to teach us about how we spend our money, time, and other resources?