Cant emphasize enough on number 8, the more items a dashboard displays the harder it is for users to understand, not because we can it…

Cant emphasize enough on number 8, the more items a dashboard displays the harder it is for users to understand, not because we can it means we should. Simplicity works wonders for transmitting powerfull ideas that lead to agile decisions.

If you need 3 or more metrics for one decision consider creating an index and/or Ratio that way you can declutter and simplify in one useful graph.