>When I select an entire row and delete it, the next row moves up, as it should.
>
>But when I select an entire row, and then cut and paste, it will (a) overwrite the previous content of the destination, (b) leave the source row empty. So, AFAIK, I have to (a) insert a row in the destination, (b) cut and paste, (c) delete the source row.
>
>Does anyone know of a faster - and more logical - way to handle this?

You have to do an "Insert copied cells". No shortcut that I know of.

Select your cells.
position cursor to the destination cell
Select "Insert copied cells..." from the menu and choose how to do the move.