Opinions needed on a dashboard design [closed]

1. What is the most important thing in a dashboard?
2. What are the common pitfalls in dashboard design?

What is the most important thing in a dashboard?

Clean, automated data

In reality, the most important aspect of a great dashboard is the part that gets the least amount of attention: The underlying data. More than any other aspect, the data will make or break a dashboard.

What are the common pitfalls in dashboard design?

A common problem is the use of too many colors, especially bright colors. Because dashboards are often densely packed with information, the visual content must be kept as simple as possible. The use of too many colors can be visually assaulting.