When constructing a report with layered segments and dimensions in Ad Hoc Analysis, it would be useful to Pause the refresh of the data so that it's not trying to update every time a new metric or segment is changed. This would allow the analyst to construct the report entirely before pulling larger sets of data.
The Table Builder only helps with this so far. At a certain point in more complex reports, the layering of segments and metrics can not be recreated with Table Builder.
This would also help when loading larger workspaces that are refreshing in the background, using up bandwidth, when maybe I only was interested in seeing data in 1 specific report.