I simply copy the project file, together with all the media used, from my laptop to my desktop using my network, when I return home. All I have to do to recreate the project on my desktop is link the media when Premiere asks and let premiere re-create the cache. I accept the loss of any render files, etc, and the need to recreate the cache.
A second possibility would be to use the project manager to collect and copy all the project material to the new location on the desktop - you would need to have the two systems on a network, or use an external drive for this.
A third possibility, which I also use, is to have all the media on an external drive connected to the laptop for editing, and then connect this, together with the copied project file to my desktop. Copy the project file and media to a suitable location(s) on the desktop. Open the project, link the media when asked, and save, and you are good to go, once the cache has been re-created.
