Does your unit order actually serve you and your students?
When I rearranged my units, I went from having 5 days of final exam review, to 5 WEEKS of final exam review. The sequence of my course units gave my course so much flow that my students were able to learn more efficiently.
Check out episode 6 on lesson sequencing.
Check out episode 48 on evaluating final exam data.
Get the question list and tips for unit sequencing.