White space in dashboards
When building dashboards in Tableau I most often float the elements. This means the creation of white space between elements is simple drag and drop. However I sometimes use the tiled (non-floating) option to get results fast and here I have found a new friend: the "Blank" element. You can find it at the shelf together with the text object, image object etc .
By dragging the "Blank" element in between other object and resizing it accordantly, I get great flexibility on how to position my elements. Look at this example where I will align the bobble chart in the middle: