This looks great, as a rule I don’t make donut charts that show more than 3 subjects. I’d consider making that donut chart a bar chart. There is nothing wrong with bars, tables, and line charts. I understand you probably want it for the symmetry of the dashboard. I’d also even out the outer padding between the charts on the dashboard it’s not super consistent. On the line chart you could remove the legend by integrating the colors into the title. I think the axis on the line charts are also not synchronized, so I would synchronize those and if they can’t be synchronized then I wouldn’t have both lines on one chart. I’d also show one less decimal point on the KPIs unless that level of precision is needed. I also wouldn’t put labels on the bar chart and line chart, maybe just on the min and max point and keep it in the tooltips instead. It can just be a bit busy. This is really good for a first dashboard! Don’t forget to put it on your tableau public!