Reports and the dreaded 'white space'

Hi all,
I have searched absolutely everywhere and have found some good looking prospects but they have not exactly answered my question. I apologize if this is an old subject.

I have a report with 4 subreports.
It all works fine if there is data.
When there is no data I used to have big white empty spaces between. I found the answer to half of that problem but I cannot find the answer to the other half. Maybe I have not completed something correctly.

If the is no data on the subreport the TOTAL which is on the main report remains 'down' where it always has been.

How can I make it so that if a complete subreport has no data then the 'total line' will move up the main form also.

Again, sorry if I seem to be a bit thick about this and all the best. Thanks guys this is a good place to find info.