• Make sure your text is being utilized properly 
• Double-check that your lines are where they should (and where they shouldn’t be)
• Make sure your colors are working for you, not against you (and some key things to consider)
• Determine if the overall organization of your chart is set up for success
• Be sure that each chart is properly executed to achieve your desired outcome (No more failed presentations!) 

You also get a bonus chart selection tool!  You will be able to effortlessly decide which chart to use based on the type of data you are representing!