When you're moving house, getting as much gear in the truck as possible is crucial. Rather than just starting with large items and hoping for the best, use Google's free SketchUp software to plan how you'll place everything.
Gizmodo reader Zaaiky did that, resulting in a much more efficient packing routine and minimising the amount of time needed to rent a truck. It also had a perhaps less obvious benefit:
The best part of it though is that it saved us from arguing with all and sundry who came to help out, about how to pack the truck.
As Giz editor Nick points out, there's a fair amount of effort involved in measuring all your gear to make that process accurate, but if you're trying to minimise the number of trips involved, it would be worth it.